Range from the cheapest powerflush £300 (Avraam Christou based in N21) to the dearest powerflush £1000 (Plumbline based in EN3).
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 EN2 by posting a job with HaMuch and we will send it to heating engineers in EN2.