Range from the cheapest leak detection £165 (Plumbforce Direct Ltd based in W1U) to the dearest leak detection £270 (LUCO - London Utility Company based in W1W).
Comparing plumbers estimates for finding 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 to detect a leak in St John by posting a job with HaMuch and we will send it to plumbers in St John.