Leaks & valve troubleshooting guides

Diagnose plumbing leaks, dripping valves, stopcock issues and visible pipe faults with simple step-by-step checks.

Common problems

  • Stopcock stuck or won’t turn

    Advice Hub / Leaks & Valves Stopcock stuck or won’t turn Check time: 10–15 minutes • Difficulty: Easy checks • Safety: Low risk Quick summary This guide explains common causes and safe checks related to stopcock stuck or won’t turn. Safety first If you smell gas or suspect CO, leave the property and call 0800

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  • Leak under sink: isolate, identify, and stop it fast

    Advice Hub / Leaks & Valves Leak under sink: isolate, identify, and stop it fast Check time: 5–10 minutes • Difficulty: Easy checks • Safety: Medium risk Quick summary Isolate first, then identify whether it’s a waste leak (trap) or a supply leak (pipework/valves). Safety first If water is near electrics (dishwasher sockets, under-cabinet electrics),

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  • Water leaking through ceiling: immediate steps

    Advice Hub / Leaks & Valves Water leaking through ceiling: immediate steps Check time: Immediate • Difficulty: Easy checks • Safety: Medium risk Quick summary Treat as urgent: protect electrics, contain water, and isolate the water supply if you can safely identify the source. Safety first If water is near lights/sockets, don’t touch wet fittings

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  • Stopcock: how to isolate water

    Advice Hub / Leaks & Valves Stopcock: how to isolate water Check time: 10–15 minutes • Difficulty: Easy checks • Safety: Low risk Quick summary Knowing where your stopcock is and how to use it can stop water damage fast in an emergency. Most stopcocks close by turning clockwise, but they should be turned slowly

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