We have compiled a list of useful and interesting pages for you to download. More items are added every month so please check back to see what's new.
Approved document L1A covers the conservation of fuel and power in newly constructed dwellings. ADL1A provides the requirement for SAP assessments to be made. Strictly speaking, only BRE Accredited Domestic Energy Assessors have competent persons status under this Approved Document.
Approved document L1B covers the conservation of fuel and power in extension and conversion of existing dwellings. ADL1B makes provision for SAP modelling as a method of compliance when area weighted u-values would be insufficient.
Use of accredited construction details make a significant improvement in the SAP Assessment and Air Permeability Test. This link takes you to the Planning Portal where you can browse and download the construction details you are using to ensure you can claim the credit for using accredited details.
Energy Performance Certificates - A Builders Guide is a brief document explaining the need for EPC's and what it means for builders of new houses.
For developers choosing not to assess their new dwellings against the Code for Sustainable Homes a Nil Rated Certificate is available here.