Range from the cheapest leak detection £90 (T Graham Plumbing & Heating based in FK1) to the dearest leak detection £165 (SO Gas Services based in ML8).
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 ML7 by posting a job with HaMuch and we will send it to plumbers in ML7.