Range from the cheapest fitting of a new basin £200 (South London Gas and Heating based in SE19) to the dearest fitting of a new basin £340 (1977 - Denham Plumbing and Gas based in SE26).
Comparing plumbers estimates for fitting a basin (e.g. pedestal basin or countertop basin) 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 fit a new basin in SE21 by posting a job with HaMuch and we will send it to plumbers in SE21.