Range from the cheapest installation of a power shower £450 (CD Plumbers based in SE15) to the dearest installation of a power shower £1130 (Boiler Repairs London based in E9).
Comparing plumbers estimates for fitting a power 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 power shower in E14 by posting a job with HaMuch and we will send it to plumbers in E14.