Oakland Energy Ltd
Based in Truro, Cornwall · Covers Cornwall; SAP calculations UK-wideOakland Energy Ltd is a limited company based in Truro, Cornwall, offering SAP calculations, air tightness testing and domestic EPC across the South West. It lists Elmhurst & ABBE accredited on its website. We haven’t checked this against the scheme’s register yet.
Services
| Service | Regulation | Price |
|---|---|---|
| SAP calculations | Part L | Ask for a quote |
| Air tightness testing | Part L | Ask for a quote |
| Domestic EPC | EPC | Ask for a quote |
Services listed on Signed Off. The provider may offer others.
About
Building energy compliance firm based in Truro. Provides SAP calculations for new builds, conversions and extensions, air testing in Cornwall, overheating and thermal bridging assessments, and EPCs for existing homes.
Details taken from the provider’s own website on 22 October 2026.
What we’ve checked, and what we haven’t
Areas covered
Covers Cornwall; SAP calculations UK-wide
South West
About these reports
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.
Domestic EPC. An Energy Performance Certificate (EPC) rates how energy efficient a home is, from A to G, and lists ways to improve it.
Find similar firms
Compare other firms that offer the same reports in the same part of the country, or see every listed firm for each report.
SAP calculations in South WestAir tightness testing in South WestDomestic EPC in South WestSAP calculations across the UKAir tightness testing across the UKDomestic EPC across the UK