Approved Document Q - England Only: A Guide to Compliance

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Approved Document Q (AD Q) was published by DCLG in April 2015 and became a requirement for new dwellings from 1st October 2015.

This document is intended to provide a workable interpretation of the requirements of AD Q as it applies to manufactured and installed windows and doorsets.

It is intended to show the various methods of demonstrating compliance to the Building Regulation requirements contained in AD Q.