guide

How to fix a dripping tap

A dripping tap is a common annoyance that also wastes water and can add to your bills over time. Many drips come down to a worn part, and some are a straightforward fix, while others are better left to a plumber.

Referral disclosure. Carlisle Plumbers is an independent enquiry service. Details submitted through this website may be shared with an independent plumbing provider serving your area.

Why taps drip

  • A worn washer or seal on a traditional tap.
  • A faulty ceramic cartridge on a modern lever tap.
  • A perished O-ring causing drips around the base.
  • Limescale build-up affecting the seal.
  • Water pressure that is higher than the tap is designed for.

Before you start

Turn off the water to that tap first — either at the isolation valve under the sink or at the main stopcock — and open the tap to release any remaining water. Put the plug in so small parts cannot fall down the drain.

What you can try

On many taps the fix is replacing the washer or the ceramic cartridge, which is a manageable job if you are confident, have the right replacement part and can identify the tap type. Work gently, keep the parts in order as you remove them, and do not force fixings.

If you are unsure of the tap type, cannot get the right part, or the tap is old, seized or of unusual design, it is often quicker and cheaper in the long run to have a plumber sort it.

When to call a plumber

  • The drip continues after replacing the washer or cartridge.
  • You cannot isolate the water safely.
  • There is a leak from the pipework or the base of the tap, not just the spout.
  • The tap is seized, corroded or you are not confident dismantling it.
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Questions

Frequently asked questions

Why is my tap dripping?

Most often a worn washer or seal on a traditional tap, or a faulty ceramic cartridge on a modern lever tap. Limescale and high water pressure can also play a part.

Is a dripping tap worth fixing?

Yes. A steady drip wastes a surprising amount of water over a year and can stain the basin. Fixing it early is usually cheap and avoids waste.

Can I fix a dripping tap myself?

Often, if you can isolate the water, identify the tap type and fit the right replacement part. If the tap is seized, the leak is from the pipework, or you are unsure, it is best to call a plumber.

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