Government Legislation

We've brought together a selection of government legislation information that might be of interest to you, all working towards a common goal of long term sustainability in the building sector. We'll be updating content in this section regularly.

What is SAP?

SAP is the government's approved methodology for calculating the energy performance of buildings. It is used to demonstrate compliance with Building Regulations Part L requirements and to produce Energy Performance Certificates for new buildings.

The score is based on factors such as insulation, air tightness, heating systems, ventilation and lighting. Renewable technologies such as solar power are also taken into account.

How can I submit my drawings?

You can submit your drawings by email to We'll shortly be implementing an online submission service where you'll be able to login on our website and upload drawings this space!

To contact us about any of our building regulations services: