Frequently Asked Questions
Guides to each of our services, grouped by the part of the Building Regulations (or planning) they relate to.
Part L: Energy efficiency
SAP assessments, EPCs and related calculations showing a home meets the energy efficiency standards.
Part O: Overheating
Assessments showing a new home is designed to limit the risk of overheating.
Part G: Water efficiency
Calculations showing a new home meets the water consumption limit.
Planning requirements
Energy and CO2 requirements set by local planning authorities, over and above Building Regulations.