Domestic assessor training and supports

This technical support section gives BER assessors support and guidance across a range of BER related topics.

Building fabric is considered when calculating heat loss and energy use in DEAP.

Key considerations for space heating in a dwelling when calculating energy use in DEAP.

Support for calculating the efficiency of a domestic heat pump system for DEAP.

Technical support to help you best represent domestic hot water systems in a BER assessment.

This report gives homeowners and buyers guidance about upgrades that could improve a property's BER rating.

Achieve quality and compliance with data protection when collecting documentary evidence for a BER.

Support to help you publish a BER to NAS, including a guide to the different types of status codes.

Information about Part L Building Regulation compliance for dwellings in DEAP assessments.