Range from the cheapest leak detection £75 (Colin Williams based in GL50) to the dearest leak detection £270 (Ongas based in GL5).
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 GL3 by posting a job with HaMuch and we will send it to plumbers in GL3.