A dripping tap might seem like a small annoyance, but over time it can waste hundreds of litres of water and quietly add to your water bill. Whether it’s a slow drip or a steady trickle, learning how to fix a leaking faucet can help you stay on top of minor plumbing issues before they turn into bigger problems. In this guide, the team at Plumbform walks you through the most common causes of leaking taps and how you can fix them safely at home.
Why is My Faucet Leaking?
Before you reach for your tools, it helps to understand what’s causing the problem. Most leaking faucets come down to worn or damaged internal parts that no longer seal properly – common causes include:
- Worn washers or O-rings
- Faulty ceramic discs
- Loose fittings
- Corroded valve seats
- General wear and tear over time
In many Brisbane homes, older taps are more prone to leaks, especially if they haven’t been serviced in years. Knowing what’s inside your tap makes it much easier to work out how to fix a leaking faucet properly.
Here’s the Tools You’ll Need Before You Start
You don’t need a fully stocked toolbox to repair most leaking taps; having the basics ready will make the job quicker and cleaner. You’ll usually need:
- Adjustable spanner
- Flathead and Phillips screwdrivers
- Replacement washer, O-ring, or cartridge
- Cloth or towel
- Small container for parts
- Plumber’s tape (optional)
Before starting, always turn off the water supply at the isolation valve (this prevents unexpected sprays and keeps your workspace dry).
How to Fix a Leaking Faucet Step by Step (Washer & Cartridge Taps)
Most traditional taps and many mixer taps rely on washers or cartridges to create a watertight seal. When these wear out, leaks start. Here’s how to fix a leaking faucet in most standard homes:
- Turn Off the Water: Locate the isolation valve under the sink and turn it clockwise. If you can’t find one, shut off your main water supply.
- Plug the Sink: Place a cloth or plug in the drain to prevent small screws or parts from disappearing.
- Remove the Handle: Carefully pry off the decorative cap and unscrew the handle. Lift it off to expose the tap mechanism.
- Access the Spindle or Cartridge: Use your spanner to loosen and remove the spindle (for washer taps) or cartridge (for mixer taps).
- Replace the Worn Part: For washer taps, replace the rubber washer and O-ring. For mixer taps, install a new matching cartridge. Make sure you bring the old part to the hardware store so you get the correct replacement.
- Reassemble the Tap: Put everything back in reverse order, tightening gently. Avoid over-tightening, as this can damage components.
- Turn Water Back On and Test: Slowly turn the water supply back on and test the tap. If it’s no longer dripping, you’ve successfully fixed the leak.
Fixing Leaks in Modern Mixer Taps
Many newer kitchens and bathrooms use single-lever mixer taps with ceramic cartridges – these are reliable, but when they fail, they usually need full cartridge replacement. To repair these taps:
- Remove the handle and cover plate
- Unscrew and lift out the cartridge
- Fit an identical replacement
- Reassemble and test
If your tap still leaks after replacing the cartridge, there may be internal damage that requires professional attention.
When DIY Repairs Aren’t Enough
While many homeowners can learn how to fix a leaking faucet, some situations are best left to licensed plumbers. You should call a professional if:
- The leak continues after replacing parts
- Water is leaking from the base or wall
- Pipes appear corroded or cracked
- You can’t isolate the water supply
- Multiple fixtures are leaking
Hidden leaks can cause structural damage, mould growth, and costly repairs if ignored. What looks like a simple drip may be a sign of a larger plumbing issue.
Preventing Future Tap Leaks
A little maintenance goes a long way in keeping your taps working properly. To reduce future leaks:
- Avoid over-tightening taps
- Clean aerators regularly
- Replace washers at early signs of wear
- Book routine plumbing inspections
- Address minor drips promptly
Regular upkeep helps extend the life of your fixtures and keeps your plumbing system running efficiently.
Need help with a leaking faucet? Plumbform is here 24/7
Learning how to fix a leaking faucet is useful, but not every plumbing problem should be tackled alone. If you’re dealing with persistent leaks, ageing pipes, or emergency water issues, Plumbform’s experienced team is ready to help. We provide reliable, professional plumbing services across Brisbane, offering fast response times, honest advice, and quality workmanship. From minor tap repairs to full system maintenance, we’ll make sure your plumbing is working exactly as it should.
If your DIY fix hasn’t solved the problem — or you’d simply prefer peace of mind — get in touch with Plumbform today for expert support you can trust.