Range from the cheapest replacement tap installation £150 (Plumbforce Direct Ltd based in W1U) to the dearest replacement tap installation £255 (LUCO - London Utility Company based in W1W).
Comparing plumbers estimates for fitting a replacement tap 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 tap in John by posting a job with HaMuch and we will send it to plumbers in John.