This guide provides guidance for persons installing fixed building services in new and existing domestic buildings to help them comply with building regulations in England, Wales, Scotland and Northern Ireland. It covers work on new systems and replacement systems, identifying the differing requirements where these exist. It applies to conventional means of providing primary space heating, domestic hot water, mechanical ventilation, comfort cooling and interior lighting. It also covers low carbon generation of heat by heat pumps, solar thermal panels, and micro-combined heat and power systems.
This document is valid from 1 October 2010.