Approved Document 7
Materials and workmanship
About Approved Document 7
Approved Document 7 gives guidance on using suitable materials and carrying out building work with proper workmanship. It explains how a material can be shown to be fit for its purpose and how workmanship can be judged.
What it covers
- Whether materials are suitable and fit for their purpose
- British Standards and other recognised standards
- Past experience and independent certification as evidence of fitness
- How good workmanship is judged
- Key terms and the standards referred to
Approved Document 7 to support regulation 7: materials and workmanship
Welsh Government
Amendments and circulars
- Amendment slip: amendments to Approved Documents B (volume 1, 2) and 7
Superseded · 2023 · Amendment
- Revision of the approved document supporting building regulation 7 (circular WGC 002/2013)
Superseded · 2013 · Circular
Other editions
Welsh Government · 2026