Range from the cheapest basement sump pump installation £525 (P Flynn based in W7) to the dearest basement sump pump installation £1500 (West London Gas Ltd based in W7).
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 W13 by posting a job with HaMuch and we will send it to plumbers in W13.