Range from the cheapest replacement of a toilet float valve £20 (Daniel Harrison based in GU9) to the dearest replacement of a float valve £80 (Mark Smith Plumbing & Heating based in RG23).
Comparing plumbers estimates for replacing a toilet float valve in the cistern tank 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 toilet float valve in GU34 by posting a job with HaMuch and we will send it to plumbers in GU34.