SAP Calculations
Plan the energy performance of your new home from the drawings.
SAP calculations assess the energy performance of a new dwelling at design stage and after construction. They can support Building Regulations submissions and the final new-build EPC.

About this service
Find design issues before site work is complete
A design-stage assessment can show how insulation, glazing, heating and renewables affect the result. The as-built assessment uses the final specification and evidence supplied after construction.
Design-stage calculation
Review the proposed specification and identify changes that may help meet the required target.
As-built calculation
Update the model with the installed specification and construction evidence.
EPC coordination
The final SAP data can be used to produce the new-build EPC where required.
Prices
Fixed prices, confirmed before we start.
All prices include EPC lodgement fees. No hidden extras. SAP prices depend on the design — we confirm a fixed figure once we've reviewed the drawings.
- Price confirmed in writing before any work starts
- Order online in minutes — no payment now
- Free cancellation — minimum 24h notice
Design-stage SAP
Predicted energy assessment from your drawings, per dwelling
from £150OrderAs-built SAP + new-build EPC
Final calculation and on-construction EPC, per dwelling
from £150OrderDesign + as-built package
Both calculations and the new-build EPC, per dwelling
from £150OrderConversion, extension or 2+ dwellings
Change of use, extensions and multi-unit developments
QuoteOrder
Before we start
What to send us
These details help us confirm the scope, price and availability for your property.
- Architectural plans and elevations
- Construction and insulation specification
- Window and door schedule
- Heating, ventilation and renewable specifications
SAP Calculations
Tell us about your property.
Choose the option that fits, see your price and order online. We confirm the appointment by email.