Range from the cheapest replacement tap installation £30 (Ghani Constructions based in IG1) to the dearest replacement tap installation £210 (Golden Hands Handyman based in E7).
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 E12 by posting a job with HaMuch and we will send it to plumbers in E12.