Range from the cheapest powerflush £110 (Pro-Tec Gas Engineering based in SP2) to the dearest powerflush £960 (J A Bell Plumbing & Heating based in SP1).
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 SP7 by posting a job with HaMuch and we will send it to heating engineers in SP7.