Energy Performance Southwest
Based in Truro, CornwallEnergy Performance Southwest is based in Truro, Cornwall, offering domestic EPC, commercial EPC, SAP calculations, air tightness testing and asbestos survey across the South West. It lists Elmhurst Accredited Energy Assessor, Stroma Certified and ABBE (logos shown) 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 |
| Commercial EPC | EPC | Ask for a quote |
| SAP calculations | Part L | Ask for a quote |
| Air tightness testing | Part L | Ask for a quote |
| Asbestos survey | Safety | Ask for a quote |
Services listed on Signed Off. The provider may offer others.
About
Energy assessment firm based in Truro, Cornwall, trading as EPSW. Carries out domestic and commercial EPCs and SAP calculations, and also lists air testing and asbestos surveys.
Details taken from the provider’s own website on 22 October 2026.
What we’ve checked, and what we haven’t
Areas covered
South West
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.
Commercial EPC. A commercial (non-domestic) EPC rates the energy performance of a building such as a shop, office, warehouse or restaurant.
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.
Asbestos survey. If your home or building was built or last altered before 2000, it may contain asbestos.
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