SAP Calculation & Air Testing – Surrey

THE BRIEF

UK Building Compliance conducted Complete Building Compliance for this large 6 bed, 3 floor property in Surrey - we completed SAP Calculations & Water Efficiency Calculations and Air Tightness & Ventilation Testing

Complete Compliance - SAP -Water - Air - Vent - Surrey

THE PROCESS

The initial Air Tests carried out were problematic - we carried out some diagnostics with the customer and located the root of the problem in an air leakage point which was sealed up
The initial Ventilation Tests were also troublesome - more diagnostics were conducted and we discovered the length of the flexy ducting was too long and this was causing unwanted trapped air
We shortened all the flexy ducting to enable all the vents to extract the correct amount of air in litres per second

THE RESULTs

AIR TESTING RESULTS

≤ 8 m³.h.m² @ 50pa

Target

SAP RESULTS

≤ 14.38

Target Emission Rate (TER)

≤ 60.5

Target Fabric Energy Efficiency (TFEE)

4.67

Result

13.29

Dwelling Emission Rate (DER)

50.6

Dwelling Fabric Energy Efficiency (DFEE)

PASS

PASS

PASS

Compliant

We achieved a Water Efficiency Rate of 117.22 Litres per person per day, the Target being ≤ 125L
All of the Ventilation tests passed after diagnostics and the identifying and rectifying of some problems, which resulted in efficient ducting and strong ventilation systems
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