How to Fix a Dripping Tap
A dripping tap may seem like a small problem, but over time it can waste thousands of litres of water and increase your bills unnecessarily. Fortunately, it’s often a simple fix—if you know what you’re doing.
At Pleasant Plumbers, we help homeowners across London repair and replace leaking taps every day. Here’s our expert, step-by-step guide to help you identify the issue and fix a dripping tap safely.
Why Taps Drip in the First Place
The most common reasons for a dripping tap are:
- A worn washer (common in compression taps)
- Damaged ceramic cartridge (in mixer taps)
- Loose or worn O-ring
- Limescale or dirt build-up
- Corrosion or valve seat damage
Even high-end taps from brands like Bristan or Grohe can suffer from wear over time—especially in hard water areas like London.
Tools You’ll Need
- Adjustable spanner or wrench
- Flathead and Phillips screwdrivers
- Replacement washer or cartridge (check your tap model)
- Cloth or towel
- Allen key (for some mixer taps)
- PTFE tape (optional)
How to Fix a Dripping Tap (Step-by-Step)
Step 1: Turn Off the Water Supply
Shut off the isolation valve under the sink or turn off the mains water supply to avoid flooding.
Step 2: Plug the Sink
Use the sink plug or a cloth to stop any small parts from falling down the drain.
Step 3: Remove the Tap Handle
Unscrew the tap handle. You may need to remove a small cap to access the screw.
Step 4: Unscrew the Tap Mechanism
Use a spanner to loosen the tap body and access the valve inside.
Step 5: Replace the Washer or Cartridge
- For compression taps: replace the rubber washer
- For mixer taps: remove and replace the ceramic cartridge
Make sure the parts you’re using match your tap model.
Step 6: Reassemble the Tap
Re-tighten everything, turn the water supply back on, and test for leaks.
When to Call a Professional
If your tap continues to drip after replacement, the issue may be deeper—such as a damaged valve seat, corroded fittings, or low water pressure. That’s when it’s time to call a professional plumber in London like Pleasant Plumbers.
Need Help With a Leaking Tap?
Whether you need a quick repair or full tap replacement, we offer fast, reliable service across London.
📲 Call or WhatsApp 0800 046 1000
📧 Email [email protected]
🌐 Visit pleasantplumbers.com
Searching 'Plumber Near Me?' Plumber London or Commercial Plumber London? We operate all across London! If you need a trusted plumber in London then get in touch with us today on 0800 046 1000 or email us on [email protected]