Leaks & valve troubleshooting guides

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

  • Stopcock stuck or won’t turn: what to do

    Advice Hub / Leaks & Valves Stopcock stuck or won’t turn: what to do Check time: 5–10 minutes • Difficulty: Easy checks • Safety: Medium risk Quick answer A stopcock that’s stuck or won’t turn is a problem worth solving before you actually need it in an emergency, since you may not be able to…

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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 answer A leak under the sink is usually either a waste leak (from the trap or drain) or a supply leak (from the pipework feeding the tap).…

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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 answer Water coming through a ceiling should be treated as urgent. Protect anyone from electrics near the leak, contain the water, and try to identify the source in the room above…

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  • Stopcock: how to isolate water in an emergency

    Advice Hub / Leaks & Valves Stopcock: how to isolate water in an emergency Check time: 10–15 minutes • Difficulty: Easy checks • Safety: Low risk Quick answer Your stopcock is the valve that shuts off your home’s water supply, and knowing where it is and how it works can limit damage fast in a…

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