Range from the cheapest new boiler installation £700 (May Electrical based in S20) to the dearest boiler installation £1,500 (Hallamshire Energy Services Ltd based in S2).

New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.

Comparing S21 heating engineers estimates for combi or system boiler upgrade gives you a good idea of prices but the best way to compare costs is to get quotes.

What to do -  Get boiler installation quotes by posting your job on HaMuch and we will send it to your local heating engineers in S21.

^*Prices are estimates based on the hourly or day rate of heating engineers in S21, UK boiler offers and materials.