Water Pipe Repair & Renewals Have you been suffering from a leaking pipe recently? a burst pipe? Loss of water pressure? If so, you will need an engineer to assess the situation and diagnose the issue. Look no further than WLS for all your lead pipe replacement or water repair needs. Moling technology is the most cost effective way to replace your old lead pipes. It provides the best and cost effective outcome from every possible angle. It’s also a great way to prevent unnecessary excavation work to the existing ground surface, all our work is fully guaranteed and come with a 10 year guarantee and a certificate of approved installation.