Range from the cheapest leak detection £90 (Graham Runham based in DA10) to the dearest leak detection £255 (Gas2Loo based in DA2).
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 Swanscombe by posting a job with HaMuch and we will send it to plumbers in Swanscombe.