Range from the cheapest powerflush £170 (FD Plumbing & Heating based in W4) to the dearest powerflush £1500 (ThePlumbers.org based in TW7).
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 Kew by posting a job with HaMuch and we will send it to heating engineers in Kew.