Range from the cheapest basement sump pump installation £450 (Huxley Plumbing & Heating based in N18) to the dearest basement sump pump installation £1500 (Pegstone Ltd based in N9).
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 N9 by posting a job with HaMuch and we will send it to plumbers in N9.