Range from the cheapest powerflush £360 (Ves gas based in RM3) to the dearest powerflush £832 (A.B Electrical & Mechanical based in RM14).
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 CM13 by posting a job with HaMuch and we will send it to heating engineers in CM13.