Range from the cheapest installation of a thermostatic mixer shower £175 (Ian Hill based in BR2) to the dearest installation of a thermostatic mixer shower £350 (Ian Hill based in BR2).
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 BR4 by posting a job with HaMuch and we will send it to plumbers in BR4.