Range from the cheapest powerflush £80 (Ferdinant Malasi based in WD3) to the dearest powerflush £1440 (Local Plumbers (London) Limited based in SL9).
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 HP6 by posting a job with HaMuch and we will send it to heating engineers in HP6.