Range from the cheapest re siliconing a bathroom with sealant £26 (Swarajpal Singh based in TW2) to the dearest re siliconing a bath or shower £86 (ThePlumbers.org based in TW7).
Comparing plumbers estimates for replacing a kitchen mixer 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 re silicone a bath or shower in TW1 by posting a job with HaMuch and we will send it to plumbers in TW1.