Range from the cheapest leak detection £75 (Z.M Gas and Heating Service based in SW17) to the dearest leak detection £270 (Emergency Plumbers 24/7 based in SM4).
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 SW19 by posting a job with HaMuch and we will send it to plumbers in SW19.