Range from the cheapest Fix a leak £140 (Unlu Heating and Plumbing based in EN3) to the dearest Fix a leak £340 (North London Plumber based in EN1).
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 EN1.