Building Certification
SAP calculations, SBEM, Part O overheating assessments, thermal bridging, and water efficiency compliance.
We are accredited by Elmhurst Energy and ABBE to deliver a full suite of building certification services. From SAP calculations and SBEM calculations to Part O overheating assessments, thermal bridging calculations, and water efficiency reports, our certified assessors ensure your project meets Part L and all relevant building regulations.
Our certification services cover new builds, extensions, and conversions across England, Scotland, Wales, and Northern Ireland. We provide both design-stage and as-built assessments, guiding you through the compliance process from start to finish. Get a free quote today.
SAP Calculations
Part L SAP calculations for new builds, extensions, and conversions across the UK.
Learn more →SBEM Calculations
SBEM calculations for commercial and non-domestic buildings.
Learn more →Home Energy Model
Home Energy Model assessments replacing SAP under the Future Homes Standard.
Learn more →Part O Overheating Assessments
Part O overheating risk assessments using simplified and dynamic methods.
Learn more →Thermal Bridging Calculations
Thermal bridging psi-value calculations for Part L compliance.
Learn more →Water Efficiency Calculations
Part G water efficiency calculations for new dwellings.
Learn more →Background Ventilation Calculations
Part F background ventilation sizing calculations.
Learn more →Ready to get started?
Get your compliance sorted today — call us or request a free quote.