Range from the cheapest mains water supply pipe replacement £300 (Dreambuild.london based in N4) to the dearest mains water supply pipe replacement £1200 (Emergency electrician based in N3).
Comparing plumbers estimates for upgrading mains water supply pipe 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 replace a water supply pipe in N2 by posting a job with HaMuch and we will send it to plumbers in N2.