Range from the cheapest leak detection £75 (Cannon Plumbing and Heating Limited based in N7) 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 King's Cross by posting a job with HaMuch and we will send it to plumbers in King's Cross.