Range from the cheapest powerflush £400 (Dacol Services based in SN2) to the dearest powerflush £900 (1st Commercial Gas Services based in SN6).
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 SN1 by posting a job with HaMuch and we will send it to heating engineers in SN1.