Range from the cheapest water softener fitting £60 (Ghani Constructions based in IG1) to the dearest water softener fitting £240 (Golden Hands Handyman based in E7).
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 E12 by posting a job with HaMuch and we will send it to plumbers in E12.