SAP Calculation

We have several years experience and are fully qualified to undertake SAP Calculations to satisfy building regulations requirements in Scotland, England & Wales.

SAP Calculations assess the energy performance of the whole dwelling and return a DER (Dwelling Emission Rate) figure that must be lower than the TER (Target Emission Rate) figure. These figures are expressed in terms of kgCO2/m2/yr. A SAP Calculation will take into account the performance of central heating, the thermal performance of doors, walls, floors, roofs & windows.

We are able to offer comprehensive remedial advice in the event of initial non-compliance.

There is a charge for this service of £200 +VAT, after completion of our SAP questionnaire.

Click here to download the SAP Questionnaire.

To discuss your requirements by phone, call us on 01250 872 261.

To discuss your requirements by email, contact us at

Alternatively, you can fill out the enquiry form below.