Range from the cheapest water softener fitting £180 (South London Gas and Heating based in SE19) to the dearest water softener fitting £285 (1977 - Denham Plumbing and Gas based in SE26).
Comparing plumbers estimates for fitting a water softener 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 fit a water softener in SE21 by posting a job with HaMuch and we will send it to plumbers in SE21.