Range from the cheapest installation of a thermostatic mixer shower £125 (Mohammad Reza Mohammadi based in EN5) to the dearest installation of a thermostatic mixer shower £425 (Orbit Builders Service based in N12).
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 N20 by posting a job with HaMuch and we will send it to plumbers in N20.