Range from the cheapest basement sump pump installation £450 (Dreambuild.london based in N4) to the dearest basement sump pump installation £2400 (All Plumbing Care based in NW1).
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 N7 by posting a job with HaMuch and we will send it to plumbers in N7.