Range from the cheapest installation of a thermostatic mixer shower £125 (MSplumbing based in WR5) to the dearest installation of a thermostatic mixer shower £500 (Sos247TradeServices based in WR4).
Comparing plumbers estimates for replacing a thermostatic mixer shower 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 install a thermostatic mixer shower in WR1 by posting a job with HaMuch and we will send it to plumbers in WR1.