sap 23-04-12 (latest) concrete
DESCRIPTION
SAPTRANSCRIPT
SAP 2009 Calculations Summary
Total Floor Area, m2 71.16
Dwelling Volume, m3 185.02
Air Permeability, m3/hr 0.55
Effective Rate of Air Changes over 12 Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Average
0.70 0.68 0.68 0.64 0.61 0.60 0.59 0.59 0.62 0.64 0.66 0.68 0.64
Total fabric heat loss, W/K 198.05
Heat loss parameter, W/m2K
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Average
3.38 3.36 3.36 3.33 3.31 3.30 3.29 3.29 3.32 3.33 3.35 3.36 3.33
Assumed occupancy, N 2.33
Output from water heater, kWh/month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
205.10 172.96 118.24 103.09 98.92 85.36 79.10 90.76 91.85 107.04 116.84 126.88 1396.13
Total internal gains, W
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
542.1234 542.3606 517.1512 476.3772 443.174 406.292 397.182 405.997 416.944 466.3302 493.1116 527.9113 5634.9544
Solar gains, W
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
64.70264 162.1121 282.1951 450.3114 570.394 603.417 582.403 492.34 348.241 204.1412 99.06851 63.0436 3922.3703
Total gains – internal and solar, W
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
606.8261 704.4727 799.3463 926.6886 1013.57 1009.71 979.585 898.337 765.185 670.4714 592.1801 590.9549 9557.3247
Temperature during heating periods in the living area, °C 21.00
Mean internal temperature for the whole dwelling, °C
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
16.52 16.85 17.03 18.05 19.39 20.39 20.88 20.86 20.04 18.50 16.75 16.64
6. Solar Gains
7. Mean Internal Temperature
1. Overall Dwelling Dimension
2. Ventilation Rate
3. Heat Losses and Heat Loss Parameter
4. Water Heating Energy Requirement
5. Internal Gains
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Summary
Space heating requirement, kWh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
1704.17 1438.54 1240.56 956.77 656.34 359.35 157.39 177.42 470.40 873.68 1250.11 1655.29 9775.47
Space heating requirement, kWh/m²/year 137.37
Space cooling requirement, kWh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Space cooling requirement, kWh/m²/year 0.00
Fabric Energy Efficiency , kWh/m²/year 137.37
Space heating fuel - main heating system 1, kWh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
1729.15 1459.62 1258.74 970.80 665.96 0.00 0.00 0.00 0.00 886.49 1268.44 1679.55 9918.74
Space heating fuel - secondary heating system, kWh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
532.55 449.54 387.68 298.99 205.11 0.00 0.00 0.00 0.00 273.03 390.66 517.28 3054.8339
Fuel for water heating, kWh
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
330.2662 278.5219 190.4089 166.0031 159.284 137.45 127.368 146.156 147.902 172.3651 188.15 204.3187 2248.193
Annual totals , kWh/year
Space heating fuel used - main system 9918.74
Space heating fuel used - secondary 3054.83
Space heating if only main heating system used 11020.82
Water heating fuel used 2248.19
Electricity for pumps, fans and electric keep-hot 130.00
Electricity for lighting 327.00
Energy saving/generation technologies, kWh/year
Electricity generated by PVs 0.00
Electricity used or net electricity generated by micro-CHP 0.00
Appendix Q items: annual energy 0.00
Space heating cost - main system 1 £307.48
Space heating cost - secondary £104.48
Space heating cost if only main heating system used £341.65
Water heating cost £69.69
Pumps, fans and electric keep-hot cost £14.90
8. Space Heating Requirement
8c. Space Cooling Requirement
8f. Fabric Energy Efficiency
9a. Energy Requirements - Individual Heating Systems
10a. Fuel Costs - Individual Heating Systems
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Summary
Energy for lighting £37.47
Additional standing charges £133.00
Energy saving/generation technologies
PVs £0.00
Micro-CHP £0.00
Appendix Q items £0.00
SAP rating 62.35
CO2 Emissions, kg CO2/year
Space heating - main system 1 1963.91
Space heating - secondary 604.86
Space heating if only main heating system used 2182.12
Water heating 1162.32
Pumps, fans and electric keep-hot 67.21
Energy for lighting 169.06
Energy saving/generation technologies
Electricity generated by PVs 0.00
Electricity used or net electricity generated by micro-CHP 0.00
Appendix Q items: annual energy 0.00
Total CO2, kg/year 3967.35
EI rating 54.32
Primary energy , kWh
Space heating fuel used - main system 10117.11
Space heating fuel used - secondary 3115.93
Space heating if only main heating system used 11241.24
Water heating fuel used 6564.72
Electricity for pumps, fans and electric keep-hot 379.60
Electricity for lighting 954.83
Energy saving/generation technologies, kWh/year
Electricity generated by PVs 0.00
Electricity used or net electricity generated by micro-CHP 0.00
Appendix Q items: annual energy 0.00
11a. SAP Rating
12a. CO2 Emissions
13a. Primary Energy
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Summary
Annual energy used, kWh 15678.76
Annual energy cost, £ 667.02
Energy efficiency score 62.35
Energy efficiency rating D
Annual total CO2 emitted, kg/year 3967.35
Environmental impact score 54.32
Environmental impact rating E
Results Summary - Baseline
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Overall Dwelling Dimensions
Area (m²)
Average
storey
height (m)
Volume
(m³)
Basement (3a) × (2a) = (3a)
Ground Floor 35.58 (3b) × 2.45 (2b) = 87.17 (3b)
First Floor 35.58 (3c) × 2.75 (2c) = 97.85 (3c)
Second Floor (3d) × (2d) = (3d)
Third Floor (3e) × (2e) = (3e)
Total floor area TFA = (3a)+(3b)+(3c)+(3d)+(3e) = 71.16 (4)
Dwelling volume (3a)+(3b)+(3c)+(3d)+(3e) = 185.02 (5)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Overall Dwelling Dimensions
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Ventilation Rate
Main
Heating
Secondary
Heatingother Total m3 per hour
Number of chimneys 0 + 0 + = 0 × 40 = 0 (6a)
Number of open flues + + = 0 × 10 = 0 (6b)
Number of intermittent fans = 0 × 10 = 0 (7a)
Number of passive vents = 0 × 10 = 0 (7b)
Number of flueless gas fires = 0 × 40 = 0 (7c)
Air Changes/ Hour
Infiltration due to chimneys, flues, fans, PSVs (6a) + (6b) + (7a) + (7b) + (7c) = 0 ÷ (5) = 0.00 (8)
If a pressurisation test has been carried out or is intended, proceed to (17), otherwise continue from (9) to (16)
Air pressure test carried? No
Number of storeys in the dwelling (ns) 2 (9)
Additional infiltration [(9) - 1]× 0.1 = 0.1 (10)
Structural infiltration: 0.25 for steel or timber frame or 0.35 for masonry construction 0.35 (11)
if both types of wall are present, use the value corresponding to the greater wall area (after deducting areas
of openings); if equal use 0.35
Structural material used? Masonry
If suspended wooden floor, enter 0.2 (unsealed) or 0.1 (sealed), else enter 0 0 (12)
Suspended wooden floor used? No If yes, sealed or unsealed? Unsealed
If no draught lobby, enter 0.05, else enter 0 0.05 (13)
Is there any draught lobby? No
Percentage of windows and doors draught stripped 100 (14)
Window infiltration 0.25 - [0.2 × (14) ÷ 100] = 0.05 (15)
Infiltration rate (8) + (10) + (11) + (12) + (13) + (15) = 0.55 (16)
Air permeability value, q50, expressed in cubic metres per hour per square metre of envelope area (17)
If based on air permeability value, then (18) = [(17) ÷ 20]+(8), otherwise (18) = (16) 0.55 (18)
Air permeability value applies if a pressurisation test has been done, or a design or specified air permeability is being used
Number of sides on which dwelling is sheltered 2 (19)
Shelter factor (20) = 1 - [0.075 × (19)] = 0.85 (20)
Infiltration rate incorporating shelter factor (21) = (18) × (20) = 0.4675 (21)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Ventilation Rate
Infiltration rate modified for monthly wind speed:
Monthly average wind speed from Table 7
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(22)m = (22)1 (22)2 (22)3 (22)4 (22)5 (22)6 (22)7 (22)8 (22)9 (22)10 (22)11 (22)12
5.4 5.1 5.1 4.5 4.1 3.9 3.7 3.7 4.2 4.5 4.8 5.1
(22a)m = (22)m ÷ 4
Wind Factor
(22a)m = (22a)1 (22a)2 (22a)3 (22a)4 (22a)5 (22a)6 (22a)7 (22a)8 (22a)9 (22a)10 (22a)11 (22a)12
1.35 1.275 1.275 1.125 1.025 0.975 0.925 0.925 1.05 1.125 1.2 1.275
Adjusted infiltration rate (allowing for shelter and wind speed) = (21) × (22a)m
(22b)m = (22b)1 (22b)2 (22b)3 (22b)4 (22b)5 (22b)6 (22b)7 (22b)8 (22b)9 (22b)10 (22b)11 (22b)12
0.63113 0.59606 0.59606 0.52594 0.47919 0.45581 0.43244 0.43244 0.490875 0.52594 0.561 0.596063
Calculate effective air change rate for the applicable case:
How is the house ventilated?
If mechanical ventilation: air change rate through system (23a)
If exhaust air heat pump using Appendix N, (23b) = (23a) × Fmv (equation (N4)) , otherwise (23b) = (23a) (23b)
Exhaust air heat pump used? No If yes, input the highest recorded run hours
If yes, input lowest recorded air flow
If balanced with heat recovery: efficiency in % allowing for in-use factor (from Table 4h) = (23c)
Balanced with heat recovery? No If yes, ducts are
a) If balanced mechanical ventilation with heat recovery (MVHR) (24a)m = (22b)m + (23b) × *1 – (23c) ÷ 100]
(24a)m = (24a)1 (24a)2 (24a)3 (24a)4 (24a)5 (24a)6 (24a)7 (24a)8 (24a)9 (24a)10 (24a)11 (24a)12
b) If balanced mechanical ventilation without heat recovery (MV) (24b)m = (22b)m + (23b)
(24b)m = (24b)1 (24b)2 (24b)3 (24b)4 (24b)5 (24b)6 (24b)7 (24b)8 (24b)9 (24b)10 (24b)11 (24b)12
c) If whole house extract ventilation or positive input ventilation from outside
if (22b)m < 0.5 × (23b), then (24c) = (23b); otherwise (24c) = (22b)m + 0.5 × (23b)
(24c)m = (24c)1 (24c)2 (24c)3 (24c)4 (24c)5 (24c)6 (24c)7 (24c)8 (24c)9 (24c)10 (24c)11 (24c)12
d) If natural ventilation or whole house positive input ventilation from loft
if (22b)m ≥ 1, then (24d)m = (22b)m otherwise (24d)m = 0.5 + [(22b)m² × 0.5]
(24d)m = (24d)1 (24d)2 (24d)3 (24d)4 (24d)5 (24d)6 (24d)7 (24d)8 (24d)9 (24d)10 (24d)11 (24d)12
0.69916 0.67765 0.67765 0.63831 0.61481 0.60388 0.5935 0.5935 0.620479 0.63831 0.65736 0.677645
Effective air change rate - enter (24a) or (24b) or (24c) or (24d) in box (25)
(25)m = (25)1 (25)2 (25)1 (25)2 (25)1 (25)2 (25)1 (25)2 (25)1 (25)2 (25)1 (25)2
0.69916 0.67765 0.67765 0.63831 0.61481 0.60388 0.5935 0.5935 0.620479 0.63831 0.65736 0.677645
(The house does not contain any other technologies that impact the ventillarion rate)
Natural Ventilation
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Heat Losses and Heat Loss Parameter
Element gross area openingsNet area, A
m2 u value A x U k value A x k
from Table
1e
Door (Table 6e) 4.01 x 3 = 12.03 (26)
Windows (Table 6e) 10.64 x 3.1 = 32.984 (27)
Roof window 0 x = (27a)
Basement floor 0 x = 0 (28)
U- Value
w, wall thickness 0.3
ng, conductivity of soil 1
Rsi 0.17 Rf 0.2 v 5.000Rse 0.04
dg 0.51 e 0.003area perimeter
B 3.2975 A 35.58 P 21.58 Uw 1.500
Ug 0.5631 H 0.300Ux 0.60273
U 0.62588 fw 0.050
K-Value
17.5
Air
348300
Ground floor (RdSAP Table S11 Age band B) 35.58 x 0.62588 = 22.2687 17.5 622.65 (28a)
Exposed floor 0 x = (28b)
Basement wall 0 x = (29)
External wall (RdSAP Table S6 Age band B) 52.35 x 1.6 = 83.76 190 9946.5 (29a)
Roof (RdSAP Table S9 >= 300mm) 35.85 x 0.13 = 4.6605 9 322.65 (30)
Total area of external elements 138.43 (31)
Party walls (Solid walls assumed) 77.88 x 0 = 0 180 14018.4 (32)
Party floor 0 (32a)
Party ceiling 0 (32b)
Internal wall 4.13 100 413 (32c)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Heat Losses and Heat Loss Parameter
Internal floor 35.58 18 640.44 (32d)
Internal ceiling 35.58 9 320.22 (32e)
Fabric heat loss = Σ (A x U) *W/K+ (26)...(30) + (32) = 177.283 (33)
Heat capacity Cm= Σ (A x κ) (28)...(30) + (32) + (32a)...(32e) = 26283.9 (34)
Thermal mass parameter TMP = Cm / TFA [kJ/m2K] = (34) / (4) = 369.363 (35)
Thermal bridges Σ (L x ψ) (Appendix K) 0.15 x (31) = 20.7645 (36)
Total fabric heat loss (33) + (36) = 198.048 (37)
Ventilation heat loss calculated monthly (38)m = 0.33 x (25)m x (5)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(38)m = (38)1 (38)2 (38)3 (38)4 (38)5 (38)6 (38)7 (38)8 (38)9 (38)10 (38)11 (38)12 (38)
42.687 41.374 41.374 38.972 37.537 36.870 36.236 36.236 37.884 38.972 40.135 41.374
Heat transfer coefficient W/K (39)m = (37) + (38)m
(39)m = (39)1 (39)2 (39)3 (39)4 (39)5 (39)6 (39)7 (39)8 (39)9 (39)10 (39)11 (39)12
240.735 239.422 239.422 237.020 235.585 234.918 234.284 234.284 235.931 237.020 238.183 239.422
Average=Σ(39)1.....12/12 237.185 (39)
Heat loss parameter (HLP), W/m2K (40)m = (39)m / (4)
(40)m = (40)1 (40)2 (40)3 (40)4 (40)5 (40)6 (40)7 (40)8 (40)9 (40)10 (40)11 (40)12
3.383 3.365 3.365 3.331 3.311 3.301 3.292 3.292 3.316 3.331 3.347 3.365
Average=Σ(40)1.....12/12 3.333 (40)
Number of days in month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(41)m = (41)1 (41)2 (41)3 (41)4 (41)5 (41)6 (41)7 (41)8 (41)9 (41)10 (41)11 (41)12
31 28 31 30 31 30 31 31 30 31 30 31
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Heat Losses and Heat Loss Parameter
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Water Heating Energy Requirement
Assumed occupancy, N 2.331 (42)
Annual average hot water usage in litres per day Vd,average = (25 x N)+36 94.263 (43)
Hot water usage in litre per day for each month (Vdm) = factor from table 1.C x(43)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Table 1.C 1.1 1.6 1.02 0.98 0.94 0.9 0.9 0.94 0.98 1.02 1.06 1.1
(44)m = (44)1 (44)2 (44)3 (44)4 (44)5 (44)6 (44)7 (44)8 (44)9 (44)10 (44)11 (44)12
103.69 150.82 96.15 92.38 88.61 84.84 84.84 88.61 92.38 96.15 99.92 103.69
Total=Σ(44)1.....12 1182.06 (44)
Energy content of hot water used- calculated monthly = 4.19 x Vdm x nm x ΔTm/3600
Table 1.D 41.200 41.4 40.100 37.600 36.400 33.900 30.400 33.400 33.500 36.300 39.400 39.900
(45)m = (45)1 (45)2 (45)3 (45)4 (45)5 (45)6 (45)7 (45)8 (45)9 (45)10 (45)11 (45)12
154.14 203.48 139.11 121.28 116.37 100.42 93.05 106.78 108.06 125.93 137.46 149.27
Total=Σ(45)1.....12 1555.35 (45)
Distribution loss (46)m = 0.15 x (45)m
(46)m = (46)1 (46)2 (46)3 (46)4 (46)5 (46)6 (46)7 (46)8 (46)9 (46)10 (46)11 (46)12
23.12 30.52 20.87 18.19 17.46 15.06 13.96 16.02 16.21 18.89 20.62 22.39 (46)
Instantaneous water heating at point of use hence no hot water storage, sections 47-57 omitted
Primary circuit loss (annual) from Table 3 0.000 (58)
Primary circuit loss for each month (59)m = (58) / 365 x (41)m
(modified by factor from Table H5 if there is solar water heating and a cylinder thermostat)
(59)m = (59)1 (59)2 (59)3 (59)4 (59)5 (59)6 (59)7 (59)8 (59)9 (59)10 (59)11 (59)12
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (59)
Combi loss for each month from Table 3a, 3b or 3c (enter “0” if not a combi boiler)
(61)m = (61)1 (61)2 (61)3 (61)4 (61)5 (61)6 (61)7 (61)8 (61)9 (61)10 (61)11 (61)12
50.96 46.03 49.00 45.56 45.15 41.84 43.23 45.15 45.56 49.00 49.28 50.96 (62)
Total heat required for water heating calculated each month = 0.85 x (45)m +(46)m +(57)m + (59)m + (61)m
(62)m = (62)1 (62)2 (62)3 (62)4 (62)5 (62)6 (62)7 (62)8 (62)9 (62)10 (62)11 (62)12
205.10 172.96 118.24 103.09 98.92 85.36 79.10 90.76 91.85 107.04 116.84 126.88 (62)
No solar DHW input therefore (63) omitted 0.000 (63)
Output from water heater for each month, kWh/month = (64)=(62)
(64)m = (64)1 (64)2 (64)3 (64)4 (64)5 (64)6 (64)7 (64)8 (64)9 (64)10 (64)11 (64)12
205.10 172.96 118.24 103.09 98.92 85.36 79.10 90.76 91.85 107.04 116.84 126.88
Total=Σ(62)1.....12 1396.13 (64)
Heat gains from water heating, kWh/month = 0.25 x [0.85 x (45)m + (61)m] + 0.8 x [(46)m + (57)m + (59)m)]
(65)m = (65)1 (65)2 (65)3 (65)4 (65)5 (65)6 (65)7 (65)8 (65)9 (65)10 (65)11 (65)12
63.99 79.17 58.50 51.71 49.98 43.85 41.75 46.79 47.32 54.12 58.02 62.37
(64)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Water Heating Energy Requirement
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Internal Gains
Metabolic gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
[W] 139.832 139.832 139.832 139.832 139.832 139.832 139.832 139.832 139.832 139.832 139.832 139.832 1677.98 (66)
Lighting gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
ELm [kWh] 40.4578 32.4567 29.2236 21.4105 16.5381 13.5118 15.0867 19.6103 25.4718 33.4203 37.7481 41.5822 326.518
GLm [W] 46.2219 41.0539 33.3872 25.2762 18.8943 15.9514 17.2361 22.4042 30.0709 38.1818 44.5637 47.5066 380.748 (67)
Appliances gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
EAm [kWh] 224.665 205.029 221.121 201.885 192.827 172.247 168.076 165.745 166.084 184.127 193.466 214.753 2310.02 (68a)
GAm [W] 301.969 275.577 297.206 271.351 259.176 231.515 225.908 222.775 223.231 247.482 260.034 288.646 3104.87 (68)
Cooking gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
GC [W] 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 51.3137 615.764 (69)
Pumps and fan gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
[W] 10 10 10 10 0 0 0 0 0 10 10 10 70 (70)
Losses (negative values)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
[W] -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -93.221 -1118.7 (71)
Water heating gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
63.9901 79.1655 58.5033 51.7146 49.9817 43.8487 41.7482 46.7927 47.3174 54.1201 58.0243 62.373 (65)
[W] 86.0082 117.806 78.6334 71.8259 67.1797 60.901 56.1131 62.8934 65.7186 72.7421 80.5893 83.8346 904.245 (72)
Total internal gains
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
[W] 542.123 542.361 517.151 476.377 443.174 406.292 397.182 405.997 416.944 466.33 493.112 527.911 5634.95 (73)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains
Solar gains are calculated using solar flux from Table 6a and associated equations to convert to the applicable orientation. Rows (74) to (82)
are used 12 times, one for each month, repeating as needed if there is more than one window type.
Month Jan Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2
Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 26 × 0.9 × 0.63 × 0.7 = 36.995 (74)1
South >80% 0.5 × 5.37 × 26 × 0.9 × 0.63 × 0.7 = 27.7076 (78)1
Month Feb Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2
Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 54 × 0.9 × 0.76 × 0.7 = 92.6909 (74)2
South >80% 0.5 × 5.37 × 54 × 0.9 × 0.76 × 0.7 = 69.4212 (78)2
Month Mar Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 94 × 0.9 × 0.76 × 0.7 = 161.351 (74)3
South >80% 0.5 × 5.37 × 94 × 0.9 × 0.76 × 0.7 = 120.844 (78)3
Month Apr Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 150 × 0.9 × 0.76 × 0.7 = 257.475 (74)4
South >80% 0.5 × 5.37 × 150 × 0.9 × 0.76 × 0.7 = 192.837 (78)4
Month May Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 190 × 0.9 × 0.76 × 0.7 = 326.135 (74)5
South >80% 0.5 × 5.37 × 190 × 0.9 × 0.76 × 0.7 = 244.26 (78)5
Month Jun Window Name W1
Glazing Type
Frame Type
Double glazed (air or argon filled)
Double glazed (low-E soft-coat)
PVC-U
Double glazed (air or argon filled)
PVC-U
PVC-U
Double glazed (air or argon filled)
PVC-U
Double glazed (air or argon filled)
PVC-U
Double glazed (air or argon filled)
PVC-U
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 201 × 0.9 × 0.76 × 0.7 = 345.016 (74)6
South >80% 0.5 × 5.37 × 201 × 0.9 × 0.76 × 0.7 = 258.401 (78)6
Month Jul Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 194 × 0.9 × 0.76 × 0.7 = 333.001 (74)7
South >80% 0.5 × 5.37 × 194 × 0.9 × 0.76 × 0.7 = 249.402 (78)7
Month Aug Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 164 × 0.9 × 0.76 × 0.7 = 281.506 (74)8
South >80% 0.5 × 5.37 × 164 × 0.9 × 0.76 × 0.7 = 210.835 (78)8
Month Sep Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 116 × 0.9 × 0.76 × 0.7 = 199.114 (74)9
South >80% 0.5 × 5.37 × 116 × 0.9 × 0.76 × 0.7 = 149.127 (78)9
Month Oct Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 68 × 0.9 × 0.76 × 0.7 = 116.722 (74)10
South >80% 0.5 × 5.37 × 68 × 0.9 × 0.76 × 0.7 = 87.4193 (78)10
Month Nov Window Name W1
Glazing Type
Frame Type
Double glazed (air or argon filled)
Double glazed (air or argon filled)
PVC-U
Double glazed (air or argon filled)
PVC-U
PVC-U
Double glazed (air or argon filled)
PVC-U
Double glazed (air or argon filled)
PVC-U
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 33 × 0.9 × 0.76 × 0.7 = 56.6444 (74)11
South >80% 0.5 × 5.37 × 33 × 0.9 × 0.76 × 0.7 = 42.4241 (78)11
Month Dec Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × 7.17 × 21 × 0.9 × 0.76 × 0.7 = 36.0465 (74)12
South >80% 0.5 × 5.37 × 21 × 0.9 × 0.76 × 0.7 = 26.9971 (78)12
Solar gains in watts, calculated for each month (83)m = ∑(74)m …(82)m
(83)m = (83)1 (83)2 (83)3 (83)4 (83)5 (83)6 (83)7 (83)8 (83)9 (83)10 (83)11 (83)12
64.7026 162.112 282.195 450.311 570.394 603.417 582.403 492.34 348.241 204.141 99.0685 63.0436
Total gains – internal and solar (84)m = (73)m + (83)m , watts
(84)m = (84)1 (84)2 (84)3 (84)4 (84)5 (84)6 (84)7 (84)8 (84)9 (84)10 (84)11 (84)12
606.826 704.473 799.346 926.689 1013.57 1009.71 979.585 898.337 765.185 670.471 592.18 590.955
PVC-U
Double glazed (air or argon filled)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Mean Internal Temperature
Temperature during heating periods in the living area from Table 9, Th1 (°C) 21 (85)m
Utilisation factor for gains for living area, h 1m (see Table 9a)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(86)m 0.9971 0.99519 0.99049 0.9792 0.94714 0.87951 0.74731 0.77942 0.941 0.98553 0.99572 0.997131 (86)m
Mean internal temperature in living area T1 (follow steps 3 to 7 in Table 9c)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(87)m 18.8321 18.9882 19.0671 19.5067 20.0827 20.5409 20.8294 20.8056 20.3589 19.6935 18.9621 18.90092 (87)m
Temperature during heating periods in rest of dwelling from Table 9, Th2 (°C)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(88)m 19.3085 19.3177 19.3177 19.3346 19.3447 19.3494 19.3538 19.3538 19.3422 19.3346 19.3264 19.31772 (88)m
Utilisation factor for gains for rest of dwelling, h2,m (see Table 9a)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(89)m 0.99606 0.99344 0.98662 0.96969 0.91695 0.79069 0.53381 0.57034 0.88922 0.97679 0.99388 0.996073 (89)m
Mean internal temperature in the rest of dwelling T2 (follow steps 8 to 9 in Table 9c, if two main heating systems see further notes in Table 9c)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
(90)m 15.7183 16.1127 16.322 17.5507 19.1572 20.3407 20.8966 20.8746 19.9301 18.0845 15.9816 15.8639 (90)m
Living area fraction fLA = Living area / (4) 0.256745 (91)
Mean internal temperature (for the whole dwelling) = fLA x T1 +(1 - fLA) x T2
(92)m 16.5178 16.851 17.0268 18.0529 19.3948 20.3921 20.8794 20.8569 20.0402 18.4976 16.7468 16.64364 (92)
Apply adjustment to the mean internal temperature from Table 4e, where appropriate
(93)m 16.5178 16.851 17.0268 18.0529 19.3948 20.3921 20.8794 20.8569 20.0402 18.4976 16.7468 16.64364 (93)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Space Heating Requirement
Set Ti to the mean internal temperature obtained at step 11 of Table 9b, so that Ti,m =(93)m and re-calculate
the utilisation factor for gains using Table 9a
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Utilisation factor for gains, nm
(94)m = (94)1 (94)2 (94)3 (94)4 (94)5 (94)6 (94)7 (94)8 (94)9 (94)10 (94)11 (94)12
0.99294 0.98897 0.97716 0.95821 0.91814 0.8533 0.73578 0.76649 0.91606 0.96973 0.9883 0.993022
Useful gains nmG m (94)m x (84)m
(95)m = (95)1 (95)2 (95)3 (95)4 (95)5 (95)6 (95)7 (95)8 (95)9 (95)10 (95)11 (95)12
602.542 696.703 781.093 887.963 930.602 861.586 720.755 688.567 700.959 650.173 585.254 586.8309
Monthly average external temperature from Table 8
(96)m = (96)1 (96)2 (96)3 (96)4 (96)5 (96)6 (96)7 (96)8 (96)9 (96)10 (96)11 (96)12
4.5 5 6.8 8.7 11.7 14.6 16.9 16.9 14.3 10.8 7 4.9
Heat loss rate for mean internal temperature Lm (39)m x [(93)m - (96)m]
(97)m = (97)1 (97)2 (97)3 (97)4 (97)5 (97)6 (97)7 (97)8 (97)9 (97)10 (97)11 (97)12
2893.1 2837.38 2448.51 2216.81 1812.78 1360.68 932.299 927.037 1354.3 1824.48 2321.52 2811.68
Space heating requirement for each month, kWh/month 0.024 x [(97)m – (95)m] x (41)m
(98)m = (98)1 (98)2 (98)3 (98)4 (98)5 (98)6 (98)7 (98)8 (98)9 (98)10 (98)11 (98)12
1704.17 1438.54 1240.56 956.773 656.341 359.345 157.388 177.422 470.404 873.681 1250.11 1655.288
Total per year (kWh/year) = S(98)1...5,10...12 = 9775.468 (98)
Space heating requirement in kWh/m²/year (98) ÷ (4) = 137.3731 (99)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Space Cooling Requirement
Calculated for June, July and August. See Table 10b
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Heat loss rate Lm (calculated using 24°C internal temperature and external temperature from Table 10)
(100)m = (100)1 (100)2 (100)3 (100)4 (100)5 (100)6 (100)7 (100)8 (100)9 (100)10 (100)11 (100)12
0 0 0 0 0 2067.28 1546.28 1499.42 0 0 0 0
Utilisation factor for loss
(101)m = (101)1 (101)2 (101)3 (101)4 (101)5 (101)6 (101)7 (101)8 (101)9 (101)10 (101)11 (101)12
0 0 0 0 0 0.98169 0.96604 0.96544 0 0 0 0
Useful loss
(102)m = (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1 (102)1
0 0 0 0 0 2029.43 1493.76 1447.6 0 0 0 0
Gains (internal gains as for heating except that column (A) of Table 5 is always used; solar gains calculated for
applicable weather region based on Table 10, not Table 6a)
(103)m = (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1 (103)1
0 0 0 0 0 631.292 600.182 585.997 0 0 0 0
Space cooling requirement for month, whole dwelling, continuous (kWh) = 0.024 x [(103)m – (102)m ] x (41)m
(104)m = (104)1 (104)2 (104)3 (104)4 (104)5 (104)6 (104)7 (104)8 (104)9 (104)10 (104)11 (104)12
0 0 0 0 0 0 0 0 0 0 0 0
Total = S(104)6...8 = 0 (104)
Cooled fraction = cooled area ÷ (4) = 1 (105)
Intermittency factor (Table 10b)
(106)m = (106)1 (106)2 (106)3 (106)4 (106)5 (106)6 (106)7 (106)8 (106)9 (106)10 (106)11 (106)12
0 0 0 0 0 0.25 0.25 0.25 0 0 0 0
Total = S(106)6...8 = 0.75 (106)
Space cooling requirement for month (104)m x (105) x (106)m
(107)m = (107)1 (107)2 (107)3 (107)4 (107)5 (107)6 (107)7 (107)8 (107)9 (107)10 (107)11 (107)12
0 0 0 0 0 0 0 0 0 0 0 0
Total = S(107)6...8 = 0 (107)
Space cooling requirement in kWh/m²/year (107) ÷ (4) = 0 (108)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fabric Energy Efficiency
Fabric Energy Efficiency, kWh/m²/year (99) + (108) = 137.3731 (109)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Energy Requirements - Individual Heating Systems
For any space heating, space cooling or water heating provided by community heating use the alternative worksheet 9b.
Space heating:
Fraction of space heat from secondary/supplementary system (Table 11) “0” if none 0.1 (201)
Fraction of space heat from main system(s) 202) = 1 – (201) = 0.9 (202)
Fraction of main heating from main system 2 if no second main system enter “0” 0 (203)
Fraction of total space heat from main system 1 (204) = (202) × *1 – (203)+ = 0.9 (204)
Fraction of space heating from main system 1 if no other system used 1 (204a)
Fraction of total space heat from main system 2 (205) = (202) × (203) = 0 (205)
Efficiency of main space heating system 1 (in %) 88.7 (206)
If there is a second main system complete (207)
Efficiency of main space heating system 2 (in %) 0 (207)
Efficiency of secondary/supplementary heating system, % (from Table 4a or Appendix E) 32 (208)
Cooling System Energy Efficiency Ratio (see Table 10c) 0 (209)
Space heating requirement (calculated above)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec kWh/yr
(98)1 (98)2 (98)3 (98)4 (98)5 0 0 0 0 (98)10 (98)11 (98)12
1704.17 1438.54 1240.56 956.773 656.341 0 0 0 0 873.681 1250.11 1655.288
Space heating fuel (main heating system 1), kWh/month (211)m = (98)m x (204) x 100 ÷ (206)
(211)1 (211)2 (211)3 (211)4 (211)5 0 0 0 0 (211)10 (211)11 (211)12
1729.15 1459.62 1258.74 970.796 665.96 0 0 0 0 886.486 1268.44 1679.548
Total = [kWh/yr] =Σ (211) 1...5, 10...12 = 9918.739 (211)
Space heating fuel if only main heating system 1 used, kWh/month (211)m = (98)m x (204) x 100 ÷ (206)
(211a)1 (211a)2 (211a)3 (211a)4 (211a)5 0 0 0 0 (211a)10 (211a)11 (211a)12
1921.28 1621.8 1398.6 1078.66 739.956 0 0 0 0 984.984 1409.37 1866.165
Total = [kWh/yr] =Σ (211) 1...5, 10...12 = 11020.82 (211a)
(213) omitted as no main heating system 2 present (213)
Space heating fuel (secondary), kWh/month (215)m = (98)m x (201) x 100 ÷ (208)
(215)1 (215)2 (215)3 (215)4 (215)5 0 0 0 0 (215)10 (215)11 (215)12
532.554 449.543 387.675 298.992 205.106 0 0 0 0 273.025 390.661 517.2775
Total = [kWh/yr] =Σ (215) 1...5, 10...12 = 3054.834 (215)
Water heating
Output from water heater (calculated above)
(64)1 (64)2 (64)3 (64)4 (64)5 (64)6 (64)7 (64)8 (64)9 (64)10 (64)11 (64)12
205.095 172.962 118.244 103.088 98.915 85.356 79.095 90.763 91.847 107.039 116.841 126.8819
62.1 (216)
(from the Product Characteristics Database the existing boiler water efficiency is 62.1%)
Water heating by a gas boiler main system with a separate value for the water heating efficiency known from the Product Characteristics Database
hence
(217)1 (217)2 (217)3 (217)4 (217)5 (217)6 (217)7 (217)8 (217)9 (217)10 (217)11 (217)12
62.1 62.1 62.1 62.1 62.1 62.1 62.1 62.1 62.1 62.1 62.1 62.1
(from the Product Characteristics Database the existing boiler overall efficiency is 88.7%; with winter
efficiency at 89.6% and summer efficiency at 79.5%.)
(217) = (216)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Energy Requirements - Individual Heating Systems
Fuel for water heating, kWh/month (219)m = (64)m x 100 ÷ (217)m
(219)1 (219)2 (219)3 (219)4 (219)5 (219)6 (219)7 (219)8 (219)9 (219)10 (219)11 (219)12
330.266 278.522 190.409 166.003 159.284 137.45 127.368 146.156 147.902 172.365 188.15 204.3187
Total = S(219a)1…12 = 2248.193 (219)
Space cooling
Space cooling fuel, kWh/month (221)m = (107)m ÷ (209)
0.00 0.00 0.00 0.00 0.00 (221)6 (222)7 (223)8 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Total = S(219a)1…12 = 0.00 (221)
Annual totals kWh/year kWh/year
Space heating fuel used, main system 1 9918.74
Space heating fuel used, main system 2 0.00
Space heating fuel used, secondary 3054.83
Space heating if only main heating system used 11020.82
Water heating fuel used 2248.19
Space cooling fuel used (if there is a fixed cooling system, if not enter 0) 0.00
Electricity for pumps, fans and electric keep-hot (Table 4f):
mechanical ventilation fans - balanced, extract or positive input from outside 0.00 (230a)
warm air heating system fans 0.00 (230b)
central heating pump 130.00 (230c)
oil boiler pump 0.00 (230d)
boiler flue fan 0.00 (230e)
maintaining electric keep-hot facility for gas combi boiler 0.00 (230f)
pump for solar water heating 0.00 (230g)
Total electricity for the above, kWh/year sum of (230a)…(230g) = 130.00 (231)
Electricity for lighting (calculated in Appendix L) 327.00 (232)
Energy saving/generation technologies (Appendices M ,N and Q)
Tilt Orientation Clear Sky % Zpv
Peak Power of PV Unit (KWp) 30 S >80% 0.50
1073
S
Tilt S SE/SW E/W NE/NW N clear sky % Overshading factor
0 961 961 961 961 961 >80% 0.5
30 1073 1027 913 785 730 >60%-80% 0.65
45 1054 997 854 686 640 20%-60% 0.8
60 989 927 776 597 500 <20% 1
90 746 705 582 440 371
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
0 0.24 0.5 0.86 1.37 1.74 1.84 1.78 1.5 1.06 0.63 0.31 0.19
30 0.35 0.63 0.92 1.3 1.58 1.68 1.62 1.39 1.08 0.74 0.43 0.29
45 0.39 0.69 0.95 1.27 1.52 1.61 1.55 1.34 1.08 0.79 0.48 0.33
60 0.44 0.74 0.97 1.24 1.45 1.54 1.48 1.3 1.09 0.84 0.53 0.37
90 0.58 0.92 1.05 1.15 1.25 1.33 1.28 1.15 1.1 0.99 0.69 0.50
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Energy Requirements - Individual Heating Systems
Electricity generated by PVs (Appendix M) (negative quantity) 0.00 (233)
Electricity generated by wind turbine (Appendix M) (negative quantity) 0.00 (234)
Electricity used or net electricity generated by micro-CHP (Appendix N) (negative if net generation) 0.00 (235)
Appendix Q items: annual energy (items not already included on a monthly basis) Fuel kWh/year
Appendix Q, <item 1 description>
energy saved or generated (enter as negative quantity) 0.00 (236a)
energy used (positive quantity) 0.00 (237a)
Appendix Q, <item 2 description>
energy saved or generated (enter as negative quantity) 0.00 (236b)
energy used (positive quantity) 0.00 (237b)
(continue this list if additional items)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Costs - Individual Heating Systems
Fuel
KWh/year
Fuel Price
(Table 12)
Fuel cost
£/year
Space heating - main system 1 (211) × 3.1 × 0.01 = 307.4809 (240)
Space heating - main system 2 (213) × 3.1 × 0.01 = 0 (241)
Space heating - secondary (wood logs) (215) × 3.42 × 0.01 = 104.4753 (242)
Space heating - only main system 1 (211a) × 3.1 × 0.01 = 341.6455 (240a)
Area Tariff Size Immersion
Water heating (electric off-peak tariff) 71 m2 7 hr 110 Dual
High-rate fraction (Table 13, or Appendix F for electric CPSU) 0.15 (243) 0
Low-rate fraction 1.0 - (243) = 0.85 (244)
High-rate cost (219) × (243) × × 0.01 = 0 (245)
Low-rate cost (219) × (244) × × 0.01 = 0 (246)
Water heating cost (other fuel) (219) × 3.1 × 0.01 = 69.69398 (247)
Select fuel type: Gas
Space Cooling (221) × 11.46 × 0.01 = 0 (248)
Pumps, fans and electric keep-hot (231) × 11.46 × 0.01 = 14.898 (249)
Energy for lighting (232) × 11.46 × 0.01 = 37.47364 (250)
Gas Electricity
Additional standing charges (Table 12) 106 + 27 = 133 (251)
Energy saving/generation technologies
Item A (233) × 11.46 × 0.01 = 0 (252)1
Item B (234) × 3.1 × 0.01 = 0 (252)2
Item C (235) × × 0.01 = 0 (252)3
Appendix Q items:
Item A (236a) × × 0.01 = 0 (253)
Item B (237a) × × 0.01 = 0 (254)
Total energy cost = 667.0219 (255)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Costs - Individual Heating Systems
Electricity Gas Solid FuelGas + Solid
Fues
(Assume) Gas
OnlyElectricity Gas Solid Fuel
Gas + Solid
Fues
(Assume) Gas
Only
307.48 9,918.74
104.48 3,054.83
341.65 11,020.82
69.69 69.69 2,248.19 2,248.19
14.90 130.00 130.00 4,193.55
37.47 327.00
0.00
0.00
0.00
0.00
0.00
52.37 377.17 104.48 481.65 541.34 457.00 12,166.93 3,054.83 15,221.77 17,462.56
LCA [yr]
10,474.33 75,434.98 20,895.06 96,330.04 108,267.89 91,399.02 2,433,386.42 610,966.78 3,044,353.19 3,492,512.52 200.00
7,855.75 56,576.23 15,671.30 72,247.53 81,200.92 68,549.26 1,825,039.81 458,225.08 2,283,264.90 2,619,384.39 150.00
5,237.16 37,717.49 10,447.53 48,165.02 54,133.94 45,699.51 1,216,693.21 305,483.39 1,522,176.60 1,746,256.26 100.00
SimaPro
ElectricitySimaPro Gas
Price Only KWh/yr
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Costs - Individual Heating Systems
15678.8
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations SAP Rating
Energy cost deflator (Table 12): 0.47 (256)
Energy cost factor (ECF) [(255) × (256)] ÷ [(4) + 45.0] = 2.698866 (257)
SAP rating (Section 13) 62.35082 (258)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations CO2 Emissions
Fuel
KWh/year
Emission
Factor kg
CO2/KWh
Emissions kg
CO2/year
Space heating - main system 1 (211) × 0.198 = 1963.91 (261)
Space heating - main system 2 (213) × 0.198 = 0 (262)
Space heating - secondary (215) × 0.198 = 604.8571 (263)
Space heating - only main system 1 (211a) × 0.198 = 2182.123 (261a)
Energy for water heating (219) × 0.517 = 1162.316 (264)
Space and water heating (261) + (262) + (263) + (264) = 3731.083 (265)
Space cooling (221) × 0.517 = 0 (266)
Electricity for pumps, fans and electric keep-hot (231) × 0.517 = 67.21 (267)
Electricity for lighting (232) × 0.517 = 169.0565 (268)
Energy saving/generation technologies
Item A (233) × 0.517 = 0 (269)1
Item B (234) × 0.517 = 0 (269)2
Item C (235) × 0.517 = 0 (269)3
Appendix Q items:
Item A (236a) × 0.517 = 0 (270)
Item B (237a) × 0.517 = 0 (271)
Total CO2, kg/year = 3967.35 (272)
Dwelling CO2 Emission Rate (272) ÷ (4) = = 55.75253 (273)
CF CF = (CO2 emissions) / (TFA + 45) 34.15418
If CF >= 28.3 then EI rating = 200 - 95 x log10(CF); if CF < 28.3 then EI rating = 100 - 1.34 x CF
EI rating (section 14) 54.32283 (274)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Primary Energy
Fuel
kWh/year
Primary
Energy
Factor
Primary
Energy kWh
Space heating - main system 1 (211) × 1.02 = 10117.11 (275)
Space heating - main system 2 (213) × 1.02 = 0 (276)
Space heating - secondary (215) × 1.02 = 3115.931 (277)
Space heating - only main system 1 (211a) × 1.02 = 11241.24 (275a)
Energy for water heating (219) × 2.92 = 6564.723 (278)
Space and water heating (275) + (276) + (277) + (278) = 19797.77 (279)
Space cooling (221) × 2.92 = 0 (280)
Electricity for pumps, fans and electric keep-hot (231) × 2.92 = 379.6 (281)
Electricity for lighting (232) × 2.92 = 954.8257 (282)
Energy saving/generation technologies
Item A (233) × 2.92 = 0 (283)1
Item B (234) × 2.92 = 0 (283)2
Item C (235) × 2.92 = 0 (283)3
Appendix Q items:
Item A (236a) × 2.92 = 0 (284)
Item B (237a) × 2.92 = 0 (285)
Total kWh/year = 21132.19 (286)
Dwelling Energy Rate (286) ÷ (4) = = 296.9673 (287)
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains Test
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
26 54 94 150 190 201 194 164 116 68 33 21
clear sky %winter solar
access
summer
solar access
light access
factor
>80% 0.3 0.5 0.5
>60%-80% 0.54 0.7 0.67
20%-60% 0.77 0.9 0.83
<20% 1 1 1
Glazing Type Solar Energy Transmittance Frame Type Frame Factor
Single Glazed 0.85 Wood 0.7
Double glazed (air or argon filled) 0.76 Metal 0.8
Double glazed (low-E hard-coat 0.72 Metal-Thermal Break 0.8
Double glazed (low-E soft-coat 0.63 PVC-U 0.7
Window with secondary glazin 0.76
Triple glazed (air or argon filled 0.68
Triple glazed (low-E hard-coat) 0.64
Triple glazed (low-E soft-coat) 0.57
Month Jan Window Name W1
Glazing Type
Frame Type
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (74)1
NorthEast >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (75)1
East >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (76)1
SouthEast >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (77)1
South >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (78)1
SouthWest >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (79)1
West >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (80)1
NorthWest >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (81)1
Rooflights <20% 1 × × 26 × 0.9 × 0.85 × 0.8 = 0 (82)1
Month Jan Window Name W1
Glazing Type
Frame Type
Solar irradiance on the horizontal (W/m²)
Single Glazed
Metal-Thermal Break
Single Glazed
Metal-Thermal Break
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains Test
Location
% of sky
blocked by
obstacles
Access
Factor
(Table 6d)
Area m2Solar Flux
W/m2
gt Specific
Data or
Table 6b
FF Specific
Data or
Table 6c
Gains (W)
North >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (74)1
NorthEast >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (75)1
East >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (76)1
SouthEast >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (77)1
South >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (78)1
SouthWest >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (79)1
West >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (80)1
NorthWest >80% 0.5 × × 26 × 0.9 × 0.85 × 0.8 = 0 (81)1
Rooflights <20% 1 × × 26 × 0.9 × 0.85 × 0.8 = 0 (82)1
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Solar Gains Test
(74)3 (74)4 (74)5 (74)6 (74)7 (74)8 (74)9 (74)10 (74)11 (74)12
(75)3 (75)4 (75)5 (75)6 (75)7 (75)8 (75)9 (75)10 (75)11 (75)12
(76)3 (76)4 (76)5 (76)6 (76)7 (76)8 (76)9 (76)10 (76)11 (76)12
(77)3 (77)4 (77)5 (77)6 (77)7 (77)8 (77)9 (77)10 (77)11 (77)12
(78)3 (78)4 (78)5 (78)6 (78)7 (78)8 (78)9 (78)10 (78)11 (78)12
(79)3 (79)4 (79)5 (79)6 (79)7 (79)8 (79)9 (79)10 (79)11 (79)12
(80)3 (80)4 (80)5 (80)6 (80)7 (80)8 (80)9 (80)10 (80)11 (80)12
(81)3 (81)4 (81)5 (81)6 (81)7 (81)8 (81)9 (81)10 (81)11 (81)12
(82)3 (82)4 (82)5 (82)6 (82)7 (82)8 (82)9 (82)10 (82)11 (82)12
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Consumption CO2 Emissions
FUEL CONSUMPTIONSpace heating fuel used, main system 1 9918.74
Space heating fuel used, main system 2
Space heating fuel used, secondary 3054.83
Water heating fuel used 2248.19
Space cooling fuel used (if there is a fixed cooling system, if not enter 0)
Electricity for pumps, fans and electric keep-hot 130.00
Electricity for lighting 326.9950937
15678.76
FUEL CONSUMPTION %Space heating, main system 1 63Space heating, secondary system 19Water heating 14Electricity for pumps, fans & electric keep-hot 1Electricity for lighting 2
100.00
CO2 EMISSIONS
Space heating fuel used, main system 1 1963.91
Space heating fuel used, main system 2
Space heating fuel used, secondary 604.8571097
Water heating fuel used 1100.642604
Space cooling fuel used (if there is a fixed cooling system, if not enter 0)
Electricity for pumps, fans and electric keep-hot 67.21
Electricity for lighting 169.0564634
3905.68
CO2 EMISSIONS %
Space heating, main system 1 50Space heating, secondary system 15Water heating 28Electricity for pumps, fans and electric keep-hot 2Electricity for lighting 4
100.00
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Consumption CO2 Emissions
50%
16%
28%
2% 4% CO2 Emissions
Space heating, main system 1
Space heating, secondarysystem
Water heating
Electricity for pumps, fans andelectric keep-hot
Electricity for lighting
63%
20%
14%
1% 2%
Fuel Consumption
Space heating, main system1
Space heating, secondarysystem
Water heating
Electricity for pumps, fans &electric keep-hot
Electricity for lighting
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Fuel Consumption CO2 Emissions
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations SAP Rating
Energy Efficiency Bands
A 1 40 92-100
B 2 50 81-91
C 3 60 69-80
D 4 70 55-68
E 5 80 38-54
F 6 90 21-38
G 7 100 1-20
Environmental Impact Bands
A 1 40 92-100
B 2 50 81-91
C 3 60 69-80
D 4 70 55-68
E 5 80 38-54
F 6 90 21-38
G 7 100 1-20
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations SAP Rating
A
B
C
D
E
F
G
92 - 100
81-91
69-80
55-68
38-54
21-38
1-20
SAP Energy Efficiency Rating
A
B
C
D
E
F
G
92-100
81-91
69-80
55-68
38-54
21-38
1-20
SAP Environmental Impact (CO2) Rating
47
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012
SAP 2009 Calculations Actual Energy Use
Actual Energy Use (*)
15-Jun 1325 21-May 498
17-Sep 540 20-Aug 257
21-Dec 4955 22-Nov 311
22-Mar 4350 21-Feb 352
5-Jul 630 20-May 276
30-Sep 695 5-Aug 229
20-Dec 2190 18-Nov 345
24-Mar 3515 6-Feb 308
Average Max Min Average Max Min
Autumn 3573 4955 2190 Autumn 328 345 311
Summer 618 695 540 Summer 243 257 229
Spring 978 1325 630 Spring 387 498 276
Winter 3933 4350 3515 Winter 330 352 308
Annual Total 9100 11500 6900 Annual Total 1300 1500 1150
(*) As read from the gas and electricity meters
Electricity [kWh]Gas [kWh]
UP637049; UP218979;
UP639241; CVE345757 25 -Apr-2012