Range from the cheapest installation of a thermostatic mixer shower £100 (Cannon Plumbing and Heating Limited based in N7) to the dearest installation of a thermostatic mixer shower £500 (Cube gas based in E2).
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 N1 by posting a job with HaMuch and we will send it to plumbers in N1.