Range from the cheapest installation of a thermostatic mixer shower £100 (Hutton heating based in L39) to the dearest installation of a thermostatic mixer shower £275 (Safe Flame UK based in WN8).
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 L40 by posting a job with HaMuch and we will send it to plumbers in L40.