Range from the cheapest replacement of an oil boiler £500 (Quddos Rahmany based in KT3) to the dearest replacement of an oil boiler £2250 (Hyland Heating based in SM3).
Comparing heating engineers estimates for replacing an oil boiler gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to replace an oil boiler in KT4 by posting a job with HaMuch and we will send it to heating engineers in KT4.