Range from the cheapest bath upgrade £350 (Thomas Stanley Plumbing Services based in EC1V) to the dearest bath upgrade £400 (A. Necel based in WC1H).
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 Fleet Street by posting a job with HaMuch and we will send it to plumbers in Fleet Street.

"Replace a bath"
EC1V
"Replace a new bathtub, remove my current bathtub"
W1D