Range from the cheapest Fix a leak £120 (ProPlumb based in BS36) to the dearest Fix a leak £280 (Prestige plumbing&bathroom fittings based in BS2).
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 Glouc.