Range from the cheapest installation of a thermostatic mixer shower £200 (Mr Stephen Heather based in W10) to the dearest installation of a thermostatic mixer shower £425 (LUCO - London Utility Company based in W1W).
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 St John's Wood by posting a job with HaMuch and we will send it to plumbers in St John's Wood.