Range from the cheapest powerflush £320 (Camkoff Plumbing and Heating Services based in CR7) to the dearest powerflush £600 (Mahdi Soroush based in SE20).
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 SE20 by posting a job with HaMuch and we will send it to heating engineers in SE20.