Range from the cheapest Fix a leak £80 (Smart heating & Electrics based in UB8) to the dearest Fix a leak £280 (Greater London Gas Plumbing and Heating Services based in UB8).
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 UB10.