What is HMRC doing to reduce energy consumption in 100 Parliament Street?
Our 100 Parliament Street building receives heat via the Whitehall district heating system, which serves other Government HQ Sites locally. The site has a mixture of naturally ventilated and mechanically cooled offices and rooms. Display Energy Certificates (DECs) indicate the energy performance of a building. Each allocates a numerical indicator which relates to the annual CO2 emissions from the building – the lower the numerical indicator, the better the energy efficiency of that building. An energy performance operational rating of 100 would be typical for an historic building of 100 Parliament Street’s type so the current rating of 83 is good. The rating was improved from 84 in 2008 by reducing the building’s core temperature from 23° C to 21° C.