Range from the cheapest basement sump pump installation £450 (Engpak Builders based in TW19) to the dearest basement sump pump installation £1500 (Gastrade based in UB3).
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 TW6 by posting a job with HaMuch and we will send it to plumbers in TW6.