Range from the cheapest fitting of an outside garden tap £50 (Swarajpal Singh based in TW2) to the dearest fitting of an outside garden tap £170 (ThePlumbers.org based in TW7).
Comparing plumbers estimates for fitting an outside garden 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 fit an outside garden tap in TW1 by posting a job with HaMuch and we will send it to plumbers in TW1.