Range from the cheapest powerflush £300 (Swift Heating Solutions based in B10) to the dearest powerflush £800 (CallGas based in B24).
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 B8 by posting a job with HaMuch and we will send it to heating engineers in B8.