Range from the cheapest mains water supply pipe replacement £300 (Avraam Christou based in N21) to the dearest mains water supply pipe replacement £1000 (Pegstone Ltd based in N9).
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 N21 by posting a job with HaMuch and we will send it to plumbers in N21.