Range from the cheapest installation of a power shower £220 (Four Seasons based in NW6) to the dearest installation of a power shower £1230 (Rutherford Plumbing based in NW10).
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 W9 by posting a job with HaMuch and we will send it to plumbers in W9.