Range from the cheapest powerflush £400 (Touch of Heat based in E1) to the dearest powerflush £1000 (Boiler Repairs London based in E9).
Comparing heating engineers estimates for powerflushing a central heating system 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 powerflush in City Of London by posting a job with HaMuch and we will send it to heating engineers in City Of London.