02 · Building Regulations · Part L

SAP calculations in the East Midlands

57 providers offering SAP calculations in or across the East Midlands, including national firms. An On-Construction Domestic Energy Assessor (OCDEA) registered with an accreditation scheme.

57 SAP assessorsthe East Midlands
Who needs oneAnyone building a new home, converting a building into homes, or adding a heavily glazed extension
Who can do itAn On-Construction Domestic Energy Assessor (OCDEA) registered with an accreditation scheme
WhenDesign stage before work starts; as-built stage at completion

57 SAP assessors for the East Midlands

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Based in or covering the East Midlands (5)

National providers (check they cover your area) (52)

About 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. New homes usually need one twice: at design stage, and again as built before completion.

Getting signed off in England

In England, your council’s building control team or a registered building control approver checks the work. They issue a completion or final certificate once they have the reports they need, such as the as-built SAP, EPC, air test and any sound or ventilation test results.

Read the full guide to SAP calculations →