Range from the cheapest Fix a leak £140 (Andrew Voss Plumbing and Heating based in KT20) to the dearest Fix a leak £340 (Miles Gas based in RH1).
Comparing plumbers estimates for Fix a leak 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 for fixing a leak in your home by posting your job to plumbers in RH1.