Range from the cheapest powerflush £400 (Marian Plamada based in NW1) to the dearest powerflush £1000 (Ben Williams based in N7).
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 WC1A by posting a job with HaMuch and we will send it to heating engineers in WC1A.