Range from the cheapest replacement of a toilet float valve £20 (CPR Property maintenance based in WN8) to the dearest replacement of a float valve £60 (Combi Doctor Ltd based in WA3).
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 WN5 by posting a job with HaMuch and we will send it to plumbers in WN5.