introduction on the building renovation passport...2017/02/02 · • long-term perspective •...
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@BPIE_eu
Introduction on the Building Renovation Passport
Maarten De Groote
Head of Research
Buildings Performance Institute Europe
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Main challengeThe existing building stock
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Equivalent major renovation rate
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Different pathways to achieve large energy savings
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Fragmented renovation is risk to lock-in
• What about external insulation and connection with the eaves and the window frames?
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Fragmented renovation is risk to lock-in
• What if insulation seems inadequate?
• What about connections for solar panels?
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Fragmented renovation is risk to lock-in
• What if the new heating system is dimensioned on the former energy performance?
• Is the system solar thermal or district heating proof?
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Impact shallow vs deep energy renovation
Source - Renovation tracks for Europe up to 2050, Ecofys commissioned by EURIMA
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DEEP AND QUALITATIVE RENOVATION
HOLISTIC RENOVATION PROCESS BUILDING RENOVATION ROADMAP
Source: Energiesprong Source: ifeu
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Common barriers
Building owner lacks information
• What to do, where to start, and which measures to implement in which order?
Renovation perceived as a burden
• Time, money and dust
Insufficient training for auditors beyond technical aspects
• How to convince to start renovation after the audit?
Limited financial resources
• Upfront costing
Complex legislation and ‘stop and go’ support measures
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Policy tools to improve energy performance
BUILDING RENOVATION PASSPORT
?
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YES31%
NO45%
DON'T KNOW
24%
Do you think there is a link between EPC’s and the improvement of the EE of buildings?
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FORRENT - SALE
ENERGY PERFORMANCE CERTIFICATE
• Informs potential byers/tenants on the buildings’ energy performance
BUILDING RENOVATION ROADMAP
• Guides (new) owners with a personalised step-by-step renovation roadmap
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What is a Building Renovation Passport?
RENOVATION ROADMAP
• Step-by-step guidance
• Resulting from an on-site energy audit
• Long-term: 15 to 20 years
• Considers individual context
LOGBOOK
Repository of all building-related information
• Energy consumption
• Energy production
• Executed maintenance
• Construction plan
• …
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Actual vs designed energy consumption
Monitoring designed and actual heat use of 82 renovated low-energy dwellings and the effect of user behaviour on the final energy demand
Source: Ghent University
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BUILDING RENOVATION PASSPORT
INFORMATION ON INDIVIDUAL BUILDING LEVEL
EXISTING EPC
ON-SITE GATHERED INFORMATION• Energy audit• Building professionals, e.g.
construction plan, info installations, BIM, etc.
• Building owner or tenant• Public authorities
AUTOMATED DATA• Smart meters• Monitoring systems, e.g.
RES, heating, CO2 meters, etc.
RENOVATION ROADMAP• Systematic renovation in a
sensible order and packages • Comprehensive audit • Long-term perspective• Considers individual context
LOGBOOK• Inventory of non-dynamic
information • Manage and monitor real
time energy consumption• Linking building owners
(users) and third parties, e.g. public authorities, market place, etc.