Extension Calculations – Colwich - UK Building Compliance

THE BRIEF

UK Building Compliance completed an L1B Extension Calculation on this proposed extension in Colwich
To achieve compliance, the proposed extension must improve the performance of the dwelling

THE PROCESS

Exceeding targets in energy and fabric efficiency required our STROMA accredited consultants to advise the following:

THE RESULTs

≤ 32.31

Notional Dwelling Emission Rate (DER)

≤ 97.08

Notional Dwelling Fabric Energy Efficiency (DFEE)

29.67

Proposed Dwelling Emission Rate (DER)

84.08

Proposed Dwelling Fabric Energy Efficiency (DFEE)

PASS

The proposed dwelling is more efficient than the notional dwelling therefore compliant with the Part L Building Regulations

Please refer to our Myth Busters for SAP Calculations here for common misconceptions and see our SAP Calculations page here for more information

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