Pricelist

A full estimate will always be provided ahead of accepting an instruction, but this page provides an overview of the pricing structure overview.

Energy Performance Certificate for an existing home

Service	Prices from July 2025
Energy Performance Certificate (existing homes)
1 bedroom	£60
2 bedroom	£70
3 bedroom	£80
4 bedroom	£90
5 bedroom	£100
Each additional bedroom	+£10
Vehicle mileage outside of PL1 – PL10 and PL18 – PL21	50p per mile

SAP calculation and Part L compliance for a new build home or conversion

Service	Prices from July 2025
Planning stage SAP calculation	£160
As-designed SAP calculation	£30 per hour for any changes between planning and design stage
As-built SAP calculation	£30 per hour for any changes between design and as-built stage
Energy Performance Certificate	£60 to £100
U-value calculation	From £30
Climate Emergency Compliance form	From £30

Please note that these costs represent a typical home and can increase for particularly complex projects. An estimate will always be provided so that you so that you know the full costs of compliance before work begins.

Energy modelling

Energy modelling is a more bespoke service and depends on your exact requirements. Please book a call to discuss your needs and get an accurate estimate.

Service	Prices from July 2025
Passivhaus Planning Package	Project-specific pricing
Dynamic Thermal Modelling	Project-specific pricing
Thermal bridge calculations	Project-specific pricing

Whole life carbon assessment

Service	Prices from July 2025
Embodied carbon calculation	Project-specific pricing

Travel

Service	Prices from July 2025
Vehicle mileage	50p per mile

Payment terms

To keep things clear and simple, payment terms are as follows:

• For all services, payment is due within 7 days of the invoice date.
• The invoice is issued upon completion of the work stage.

If you have any questions regarding your invoice, please don’t hesitate to get in touch.