Range from the cheapest powerflush £320 (Billyjoe Ryan based in CR2) to the dearest powerflush £752 (Direct Heating based in SM6).
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 CR3 by posting a job with HaMuch and we will send it to heating engineers in CR3.