Range from the cheapest basement sump pump installation £135 (Four Seasons based in NW6) to the dearest basement sump pump installation £1200 (Plumbforce Direct Ltd based in W1U).
Comparing plumbers estimates to install a basement sump 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 install a basement sump pump in John by posting a job with HaMuch and we will send it to plumbers in John.