A toilet that continually trickles into the pan often has a fill-valve or flush-valve problem, or a seal that no longer closes properly.
Understanding the issue
A toilet that continually trickles into the pan often has a fill-valve or flush-valve problem, or a seal that no longer closes properly.
What to check
Remove the cistern lid only if it is designed for easy access and observe whether water is overflowing internally or passing through the flush valve.
When to get advice
Continuous running wastes significant water. Modern cistern components are often replaceable without changing the entire toilet, provided compatible parts are available.
This is general information, not a substitute for inspecting your property. Do not work on gas equipment or live electrical parts unless appropriately qualified. If there is immediate danger, call 999. If you smell gas or suspect a gas escape, leave the affected area and call the National Gas Emergency Service on 0800 111 999 from a safe location. Do not operate electrical switches or use naked flames.
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