Building Energy Experts
Based in Bristol · Covers NationwideAccreditation stated by provider: Elmhurst, ATTMA, TrustMark, Retrofit Academy (Corporate Member), Retrofit Academy Corporate Member, AECBNot yet claimed
Own websiteUK-wide
Services
| Service | Regulation | Price |
|---|---|---|
| SAP calculations | Part L | Ask for a quote |
| On-construction EPC | Part L | Ask for a quote |
| Air tightness testing | Part L | Ask for a quote |
| Water efficiency calculations | Part G | Ask for a quote |
| Overheating assessment | Part O | Ask for a quote |
| Ventilation commissioning | Part F | Ask for a quote |
| Retrofit assessment | PAS 2035 | Ask for a quote |
Services listed on Signed Off. The provider may offer others.
About
Bristol-based consultancy (formerly trading as As Built Testing) offering design and as-built SAP calculations with completion EPCs, air tightness and Part F ventilation testing, water and overheating calculations and PAS 2035 retrofit assessments. It states it operates nationwide.
Details taken from the provider’s website on 25 September 2026.
What we’ve checked
AccreditationStated by the provider: Elmhurst, ATTMA, TrustMark, Retrofit Academy (Corporate Member), Retrofit Academy Corporate Member, AECB. Not yet checked by us.
Company statusLimited company. Companies House check pending.
InsuranceNot yet checked. Ask to see professional indemnity insurance before you book.
Areas covered
Covers Nationwide
UK-wide South West
Compare other providers
SAP calculations in South WestOn-construction EPC in South WestAir tightness testing in South WestWater efficiency calculations in South WestOverheating assessment in South WestVentilation commissioning in South WestRetrofit assessment in South West