Range from the cheapest replacement tap installation £60 (Krzysztof Zakrocki based in N18) to the dearest replacement tap installation £270 (Supreme plumbing and heating based in N9).
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 N9 by posting a job with HaMuch and we will send it to plumbers in N9.