Range from the cheapest fitting of a new basin £160 (Kevin Plumbing Gas and Heating based in E2) to the dearest fitting of a new basin £340 (LUCO - London Utility Company based in W1W).
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 EC4M by posting a job with HaMuch and we will send it to plumbers in EC4M.