How to fix a leaking sink

More often than not, leaking sinks are caused by ageing washers in the strainer unit which, with the right knowledge, can be easily replaced. This video offers a step-by-step guide to replacing the strainer unit - from turning off the water supply and removing the cupboard door to disconnecting the waste pipe and fitting a replacement unit. Helpful descriptions of the various parts involved make the process even more clear.

Preparation & Planning

When fixing a leaking sink, you’ll need to turn off the water supply. Make sure you know how to do this in advance. If your leak can’t be fixed by replacing the strainer unit as shown in the video, be prepared to call in a professional.


If your problem continues, always seek professional advice.

Hints & tips

Always keep spare washers available. It's also always a good idea to keep all manufacturer's instructions for your sink and tap as this may help you locate the leak as quickly as possible.


Always turn off your water supply before attempting to fix plumbing issues.

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