Sustineo Limited
Based in Milton Keynes, Buckinghamshire · Covers Milton Keynes, Buckinghamshire, Bedfordshire, Northamptonshire, Hertfordshire and LondonSustineo Limited is a limited company based in Milton Keynes, Buckinghamshire, offering domestic EPC, commercial EPC and SAP calculations across the South East, the East of England, the East Midlands and London. It lists Stroma Certification (domestic) and Sterling Accreditation Level 4 (commercial) 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 |
Services listed on Signed Off. The provider may offer others.
About
Milton Keynes energy assessors producing domestic and commercial EPCs, SAP and SBEM calculations and display energy certificates across Buckinghamshire, Bedfordshire, Northamptonshire, Hertfordshire and London.
Details taken from the provider’s own website on 22 October 2026.
What we’ve checked, and what we haven’t
Areas covered
Covers Milton Keynes, Buckinghamshire, Bedfordshire, Northamptonshire, Hertfordshire and London
South East East of England East Midlands London
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.
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