Test My Build
Based in Mersham, KentTest My Build is based in Mersham, Kent, offering domestic EPC, on-construction EPC, SAP calculations, air tightness testing and 2 other report types across the South East. It lists Elmhurst certified, ATTMA Level 1 and 2 and SITMA on its website. We haven’t checked this against the scheme’s register yet.
Services
| Service | Regulation | Price |
|---|---|---|
| Domestic EPC | EPC | Ask for a quote |
| On-construction EPC | Part L | Ask for a quote |
| SAP calculations | Part L | Ask for a quote |
| Air tightness testing | Part L | Ask for a quote |
| Sound insulation testing | Part E | Ask for a quote |
| Ventilation commissioning | Part F | Ask for a quote |
Services listed on Signed Off. The provider may offer others.
About
Building compliance testing consultancy at Mersham near Ashford, Kent, providing SAP calculations and EPCs for new and existing dwellings, air tightness, sound insulation and ventilation testing.
Details taken from the provider’s own website on 22 October 2026.
What we’ve checked, and what we haven’t
Areas covered
South East
About these reports
Domestic EPC. An Energy Performance Certificate (EPC) rates how energy efficient a home is, from A to G, and lists ways to improve it.
On-construction EPC. When a new home is finished, or a building is converted into a new home, an on-construction Energy Performance Certificate (EPC) has to be produced from the as-built SAP calculation and lodged on the government register.
SAP calculations. A SAP calculation shows building control that a new home, conversion or heavily glazed extension meets the energy and carbon targets in Part L of the Building Regulations.
Air tightness testing. An air tightness test measures how much air leaks out of a building through gaps in its fabric.
Sound insulation testing. Pre-completion sound testing checks that the separating walls and floors between homes block enough airborne and impact sound to meet Part E of the Building Regulations.
Ventilation commissioning. If a new home has mechanical ventilation, such as extract fans, continuous extract or MVHR, the air flow rates must be tested and the results given to building control.
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