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BS 40104:2025 Retrofit assessment for domestic dwellings - Code of practice
Publication Year
2025
Document Status
Current
Abstract
This code of practice offers recommendations and guidance for retrofitting domestic dwellings. The assessment process uses 3 stages of reporting. Also details assessments for: context, condition, ventilation, occupancy, energy performance, site-specific context, and significance.
Document History
Came into effect 30 September 2025.
ISBN
9780539216028
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
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