Jenny Power from SEAI presents on a retrofit of a 1950s Crumlin Cottage from an F to an A2, presentation given at the Deep Retrofit conference 21st June 2017

1. Achieving TGD Compliance * Enhanced Living Space * BREEAM ‘Excellent’
Retrofit of a
1930’s Dublin
Crumlin
Cottage
from an
Fto an A2
Jenny Power
Programme Executive
Building Energy Rating Team
SEAI

2. 2 www.seai.ie
F to A2 BER
Full Compliance with Irish Building Regulations as if new
Compliance with DCCAE Living Standards
Lifetime home design
Condensation and mould Risk
BREEAM Assessment Design Stage
Cost Payback Consideration
Brief

3. 3 www.seai.ie
Post survey, Baseline DEAPs established
Indicates Building Performance on a BER
Establishment of existing parameters
what to keep | remove
Calculation of existing building elements U Values
Walls, roofs, floors
Condensation Risk tests on existing elements
Existing concrete floor at risk of
Interstitial Condensation
Geometry sketches
Preliminary hot spots for heat loss
Target U-values set
0.15 W/m2K and beyond
Extraction of the Brief

4. 2
4 www.seai.ie
U
Geometry and fabric
Fabric-first approach
Improved U-Values for all fabric elements
Investigation of new technologies
Whole-house ventilation
Air-tightness strategies
Increased and improved living area
Wall: 2.47 - .103
Roof: 0.75 - .134
Floor: 0.75 - .084
Ventilation
Wm K
VIPS
SIPS
EWI

5. 5 www.seai.ie
Analysis Tools
Glaser
Therm
Approved psi data
(Kingspan)
Custom

6. 6 www.seai.ie
Performance Results

7. 7 www.seai.ie
Compliance Check

8. 8 www.seai.ie
Sustainable Retrofit
F* to A2 BER
Full Compliance with
Irish Building Regulations as if new
Compliance with
DCCAE Living Standards
Lifetime home design
Condensation and mould Risk
BREEAM Assessment
Design Stage
Cost Payback Consideration
Potential for Urban Transformation

9. Long-term Outcome
Thank You