How to stop water trickling into the toilet bowl

There's a constant trickle of water going into the toilet bowl, you can hear it and see it. The cistern fills normally though. Is this a flapper issue?

Asked by Simon on 11th May 2026
Expert Trade Answers
"Hi you might need to replace filing valve that’s faulty if it’s still filled and still dribbling photo would be nice to see to understand the issue."
Answered on 11th May 2026 - Member since Apr 2026 - report
"Rather the fill valve washer is perished causing water to constantly run through the the overflow into the toilet, or the flush valve washer is perished allowing water to pass into the toilet"
Answered on 11th May 2026 - Member since May 2026 - report
"Looks like you have a leak in you valve sometimes you can adjust the long screww on top of syfon other time you must go deeper and change the rubber seal inside but please remember to turn the stopcock off"
Answered on 11th May 2026 - Member since May 2017 - report
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