Range from the cheapest Fix a leak £120 (K11 Plumbing and Property Maintenance based in SL9) to the dearest Fix a leak £400 (Local Plumbers (London) Limited based in SL9).
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 HP9.