Estimated savings are based on a family of 4 sharing a 3 bedroom semi-detached home (Energy Saving Trust, April 2016).
For expert and impartial free advice on reducing your fuel bills, saving energy and making your home more comfortable visit energysavingtrust.org.uk or call: England and Wales - The Energy Saving Advice Service on 0300 123 1234 (charged as a national rate call). Scotland - Scottish Government's Home Energy hotline on 0808 808 2282 (calls are free).
Information supplied by the Department for Business, Energy & Industrial Strategy.
For further information visit the official gov.uk page.