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The Standard Assessment Procedure (SAP) and Energy Performance Certificate (EPC) is used by the Government to assess and compare the energy and environmental performance of dwellings. This is needed to comply with energy and environmental policy regulations. 

These provide information which is a mandatory requirement for any new build dwelling or new dwellings created by conversion.

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SAP is used to show compliance with Part L of the Building Regulations and is applied at the design stage of the build process. It calculates the energy cost and carbon emissions generated to heat, light, ventilate and provide hot water to a dwelling.

LABC has launched a suite of 250 Registered Construction Details (RCDs) to help you combat the problem of cold bridging in construction that will minimise heat loss through the weak junction points in a building’s outer envelope. 

Our ESconsult SAP team members are fully qualified assessors and can provide:

  • A SAP and EPC for new build dwellings or dwellings which have been converted. 
  • SAP calculations for substantially glazed extensions where the amount of glazing exceeds 25% floor area.

The amount you pay reflects the level of service required and is per dwelling

Design Stage SAP Compliance check
(single dwelling under 250m2 floor area)
£120.00 inc VAT
Design Stage SAP Compliance check - Single dwelling over 250 m2 P.O.A.
As Built SAP and EPC lodgement where we have carried out the Design Stage compliance check (single dwelling under 250m2 floor area) £120.00 Inc VAT
As Built SAP and EPC per dwelling *(where no Design Stage SAP has been carried out/or provided by others)

£240.00 inc VAT

SAP Design work


On site SAP survey (where lack of plans or details require a site visit) Additional charge £150.00
SAP for highly glazed extensions £300.00 Inc VAT


For multiple unit applications please contact the ESconsult team using the contact details shown on this page.

To make an application you can download and complete the application form below and email the form to Alternatively, you can make a phone application by calling 01872 224792.

Application forms

Once the dwelling has been built you will need to complete a form to confirm that the property has been constructed as designed or list any alteration that have been made. Please use the forms below and forward to ESconsult once completed.