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We support registered BER and DEC assessors with professional and technical guidance, training and software.

Software and Methodology

Access DEAP and NEAP software and methodologies to complete domestic and non-domestic Building Energy Rating certificates.

Access DEAP and NEAP

HARP database

Search for energy efficiency information on home heating products to help calculate BERs.

Search HARP

Find existing BER or DEC

Check to see if a Building Energy Rating (BER) already exists for a home or other property.

Check a BER

Non-domestic Building Regulations

Find a range of resources about Part L Building Regulation compliance for buildings other than dwellings.

About building regulations

BER Assessment Data

Find out more about BER assessment data, who can access it and how to access it.

Learn more

BER Assessor Members Area

Registered BER Assessors can now access our members area, designed to support domestic and non-domestic assessors with their day to day role.

Members area