Range from the cheapest re siliconing a bathroom with sealant £21 (Marian Plamada based in NW1) to the dearest re siliconing a bath or shower £86 (LUCO - London Utility Company based in W1W).
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 WC1H by posting a job with HaMuch and we will send it to plumbers in WC1H.