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Plumbing

Dripping Tap: What Causes It, and When to Call a Plumber

A dripping tap is one of those small annoyances that’s easy to ignore — until you’re lying awake listening to it. It’s rarely serious, but it does waste water and money, and the fix depends on the type of tap you have.

At a glance

  • Most drips come down to a worn washer or a failed ceramic cartridge.
  • A steady drip can waste a surprising amount of water over a year.
  • Traditional taps take a washer; modern lever taps usually take a cartridge.
  • If the tap’s worn or the fix isn’t holding, replacing it is often the tidier answer.

Why taps drip

Inside every tap is a part that presses down to seal off the water. On traditional taps that’s a rubber washer; on modern lever taps it’s a ceramic cartridge. Both wear over time, and once they do, water seeps past and drips from the spout.

Washer vs cartridge taps

Knowing which you have matters. A quarter-turn lever tap almost certainly uses a ceramic cartridge; a tap you screw firmly shut is likely a washer type. The parts are inexpensive, but getting the right match for your make of tap is the fiddly bit.

What you can try yourself

If you’re confident, you can turn off the supply, strip the tap down and replace the washer or cartridge. Always isolate the water first — either at the tap’s service valve or the stopcock. If you’re unsure, there’s no shame in leaving it; a bodged reassembly can turn a drip into a flood.

When to call a plumber

If the drip comes back, the tap is old or corroded, or you’d simply rather it was done properly, we’ll sort it — and advise whether a repair or a new tap is the better value.

Tap still dripping after a washer change — or you’d rather not take it apart? We’ll fix or replace it cleanly. Local to South Manchester and Cheshire.

See our plumbing service

Common questions

Almost always a worn washer (traditional taps) or a failed ceramic cartridge (modern lever taps) that no longer seals.

Yes — a steady drip wastes a surprising amount of water over a year, and on a meter that’s money down the drain.

If you’re confident, you can isolate the water and replace the washer or cartridge. The fiddly part is matching the right part to your make of tap.

Either it’s a cartridge tap rather than a washer type, the seating is worn, or the tap itself is past its best and worth replacing.