Base Energy
Based in Staines-upon-Thames, Surrey and Bootle, Merseyside · Covers UK-wide, including LondonServices
| Service | Regulation | Price |
|---|---|---|
| SAP calculations | Part L | Ask for a quote |
| On-construction EPC | Part L | Ask for a quote |
| Water efficiency calculations | Part G | Ask for a quote |
| Overheating assessment | Part O | Ask for a quote |
| Retrofit assessment | PAS 2035 | Ask for a quote |
Services listed on Signed Off. The provider may offer others.
About
Energy assessment company with offices in Staines-upon-Thames and Bootle providing design-stage and as-built SAP calculations with EPCs, water efficiency and overheating calculations, and retrofit assessments. It works nationwide, including in London.
Details taken from the provider’s website on 25 September 2026.
What we’ve checked
Areas covered
Covers UK-wide, including London
London South East North West UK-wide
Compare other providers
SAP calculations in LondonSAP calculations in South EastSAP calculations in North WestOn-construction EPC in LondonOn-construction EPC in South EastOn-construction EPC in North WestWater efficiency calculations in LondonWater efficiency calculations in South EastWater efficiency calculations in North WestOverheating assessment in LondonOverheating assessment in South EastOverheating assessment in North West