Range from the cheapest powerflush £300 (F&J All Building Services based in IG8) to the dearest powerflush £900 (Heat Tec based in E17).
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 E18 by posting a job with HaMuch and we will send it to heating engineers in E18.