Range from the cheapest basement sump pump installation £510 (Birdz Property Services based in DA16) to the dearest basement sump pump installation £1200 (DHP London Limited based in SE18).
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 SE18 by posting a job with HaMuch and we will send it to plumbers in SE18.