The following links will take you to Government websites for Building Regulations:
- England & Wales
- Northern Ireland
- Robust Details (Part E - England & Wales)
Robust details offer an alternative to the pre-completion sound testing now required by the Building Regulations.
This technical guidance note (updated document of 05 May 2011) outlines NHBC's interpretation of the disproportionate collapse Requirement A3 of the Building (Amendment) Regulations 2004, as detailed in the 2004 edition of Approved Document A (England & Wales).