Range from the cheapest basement sump pump installation £450 (Robin Greenfield based in HP10) to the dearest basement sump pump installation £1350 (Runnymede Response Ltd based in SL1).
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 SL6 by posting a job with HaMuch and we will send it to plumbers in SL6.