Range from the cheapest replacement tap installation £75 (Swarajpal Singh based in TW2) to the dearest replacement tap installation £255 (ThePlumbers.org based in TW7).
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 TW9 by posting a job with HaMuch and we will send it to plumbers in TW9.