Range from the cheapest installation of a shower booster pump £42 (Krzysztof Zakrocki based in N18) to the dearest fitting of a shower booster pump £182 (Supreme plumbing and heating based in N9).
Comparing plumbers estimates for installing a shower booster pump 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 fit a shower booster pump in N21 by posting a job with HaMuch and we will send it to plumbers in N21.