Range from the cheapest basement sump pump installation £480 (CD Plumbers based in SE15) to the dearest basement sump pump installation £1500 (Boiler Repairs London based in E9).
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 E14 by posting a job with HaMuch and we will send it to plumbers in E14.