Range from the cheapest new boiler installation £700 (Plumbrite123 based in W12) to the dearest boiler installation £1,300 (West London Gas Ltd based in W7).

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

Comparing Chiswick 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 Chiswick.

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