The Standard Assessment Procedure (SAP) is the UK government’s recommended method system for measuring the energy rating of residential dwellings. The first version was published in 1995, and was replaced by newer versions in 1998, 2001, 2005, 2009 and 2012. It calculates the typical annual energy costs for space and water heating, and, from 2005, lighting. The CO2 emissions are […]
Charles House, Princes Court
Beam Heath Way
Nantwich, Cheshire, CW5 6PQ