Range from the cheapest leak detection £69 (May Electrical based in S20) to the dearest leak detection £240 ( based in S5).
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 S9 by posting a job with HaMuch and we will send it to plumbers in S9.