Range from the cheapest Fix a leak £140 (Kulvinder Kalsi based in SS9) to the dearest Fix a leak £280 (M.D Plumbing and Heating based in CM3).
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 SS2.