Range from the cheapest bath upgrade £200 (Avraam Christou based in N21) to the dearest bath upgrade £550 (Plumbline based in EN3).
Comparing plumbers estimates for bath replacement 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 bath in EN1 by posting a job with HaMuch and we will send it to plumbers in EN1.