Why Is My Kitchen Tap Suddenly Loose and Leaking Everywhere? A kitchen tap is one of the most used fixtures in the home, so when it suddenly becomes loose and starts leaking, it can cause instant panic. Water can spray across the sink, drip into the cupboard below, or run down the worktop faster than you can control it.

This kind of leak often feels like it comes out of nowhere, but there are several common reasons why a kitchen tap becomes loose or begins leaking suddenly. Here is what might be causing it and what you should do next.

1. A Loose Fixing Under the Sink

Most kitchen taps are held in place from underneath the sink by a securing bracket or a fixing nut. Over time this nut can work itself loose due to:

  • Constant tap movement
  • Vibrations from the pipework
  • Ageing fixtures

When this happens, the tap wobbles and water can escape around the base.

You may notice:

  • The tap moving side to side
  • Water pooling around the bottom of the tap
  • Drips falling into the cupboard underneath

Left unresolved, this can lead to serious water damage.

2. A Worn or Damaged O-Ring

Inside the base of most taps is a rubber O-ring that creates a watertight seal. When this seal wears out, cracks, or becomes misshapen, water begins leaking around the base whenever the tap is in use.

This is one of the most common causes of sudden leaks.

3. A Faulty Cartridge or Washer

If the leak is coming from the spout rather than the base, the internal cartridge or washer may have failed. This can cause:

  • Dripping when the tap is off
  • Water spraying when you turn the tap on
  • Leaking around the handle

Cartridges and washers wear over time, especially in hard water areas.

4. High Water Pressure

If your home has high water pressure, it can place added strain on the tap’s internal parts. Over time this extra pressure can:

  • Loosen fixings
  • Damage seals
  • Force water out of weak points

A sudden spike in pressure can make an existing weakness leak instantly.

5. Movement or Stress in the Pipework

Kitchen taps are often connected to flexible hoses. If these hoses are twisted, poorly supported, or under tension, the stress can loosen the tap or cause leaks in the connectors below the sink.

You may hear slight rattling or feel vibration when the water is running.

What to Do If Your Kitchen Tap Is Loose and Leaking

1. Turn Off the Water Supply

Look for the isolation valve on the pipe feeding the tap. Turn it so the slot sits across the pipe to stop the water.

If there is no isolation valve or it will not turn, reduce water usage in the home until help arrives.

2. Clear the Area Under the Sink

Remove cleaning products and bins so you can see the pipework clearly. This also gives the emergency plumber space to work quickly.

3. Avoid Tightening the Tap Yourself

Tightening the wrong part or applying too much force can:

  • Crack the fixing bracket
  • Twist the pipework
  • Damage seals further

It is safer to wait for a professional assessment.

4. Catch Any Drips

Place a towel or bucket under the leak to prevent damage to cupboards, flooring, and electrics.

5. Call an Emergency Plumber

A leaking kitchen tap can escalate quickly, especially if water is escaping underneath the sink. Mr24HourPlumber can diagnose the fault, replace worn parts, secure the tap properly, and prevent further damage.

Preventing Kitchen Tap Leaks in the Future

Once repaired, a few simple checks can help prevent future leaks:

  • Turn the tap smoothly rather than forcing it
  • Avoid leaning on or twisting the tap body
  • Inspect the area under the sink occasionally for dampness
  • Have worn cartridges or O-rings replaced when they first show signs of failure

Regular maintenance keeps your tap secure and working properly.