Every energy compliance service. One accredited team.
Domestic EPCs, commercial assessments, on-construction SAP calculations and Part L air tightness testing across Chesterfield and Derbyshire.
Domestic EPC
Energy Performance Certificates for existing homes, legally required before selling or letting a residential property.
- ✓ From £65 (no hidden fees)
- ✓ Certificate issued within 24 hours
- ✓ Valid for 10 years
Commercial EPC
Simplified Building Energy Model (SBEM) assessments and certification for commercial premises, offices, and retail units.
- ✓ Level 3 & 4 assessments available
- ✓ Approved SBEM calculations
- ✓ Fully accredited NDEA assessors
On-Construction EPC & SAP
Comprehensive energy modeling for new builds, conversions, and large extensions to secure Building Control approval.
- ✓ Design stage calculations + PEA
- ✓ As-built SAP calculations + OC-EPC
- ✓ Part L1A building regulations support
Air Tightness Testing
Blower door tests to measure envelope leakage on new build residential plots, ensuring compliance with Part L.
- ✓ ATTMA accredited testing engineers
- ✓ Results on site (m³/h/m² @ 50Pa)
- ✓ Same-day re-test at no extra charge
Commercial Air Tightness
Large-scale air permeability testing for non-domestic developments and commercial properties to satisfy Part L2A.
- ✓ ATTMA TS2 standards compliance
- ✓ Calibrated multi-fan equipment
- ✓ Covers all non-domestic structures
Commercial landlords: new MEES standards require EPC C by April 2027 and EPC B by April 2030. Fines up to £50,000 for non-compliance.
Check your commercial property →Which service do you need?
Find the right compliance path for your specific project type
| Your situation | Service needed |
|---|---|
| Selling or renting an existing home | Domestic EPC |
| Selling or renting a shop / office / warehouse | Commercial EPC |
| Building a new home or conversion | On-Construction EPC + SAP |
| Building work nearly complete | Air Tightness Test + As-Built SAP |
| Selling a new home off-plan | Predicted Energy Assessment (PEA) |
| Extending or converting a property | SAP Calculation (Part L1B) |