Structural warranty services undertakings

These undertakings govern some of the content of the National House Building Council’s rules of membership.


Structural warranty services

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


These undertakings were given under the monopoly provisions of the Fair Trading Act 1973.They require the National House Building Council (NHBC) not to amend some of its rules of membership without the CMA’s consent. Consent is needed where the amendment leads to non- or lesser compliance with the recommendations set out in paragraphs 8.90 to 8.102 of the Monopolies and Mergers Commission’s 1990 report on the supply of structural warranty services in relation to new homes.

Published 7 December 1995