Range from the cheapest New bathroom £2552 (Plumbxpert based in SM1) to the dearest New bathroom £4800 (Dara Builders based in SM5).
Comparing bathroom fitters estimates for new bathroom installations 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 - if you need new bathroom and you want to hire value for money builders, post your job on HaMuch and see which builders are available in Carshalton with their hourly and daily rates. Choose a couple to compare quotes so you get a better understanding of how much you are going need to pay.