How do you fix a leaking tap?
Quick Summary
Stopping the drip
⚠️ Warnings
Steps
Stopping the drip
Identify whether you have a traditional rising spindle tap or a modern ceramic disc mixer. Spindle taps leak when rubber washers perish; mixers fail when ceramic discs wear or O-rings dry out. Turn off the isolation valve under the basin before starting — never rely on the tap handle alone.
What you'll need
Adjustable spanner, Screwdrivers, Replacement washers or cartridge, Cloth and small bowl, Plumber's tape optional. When working on fix a leaking tap, measure twice and fix mounting points into studs or masonry, not plaster alone. Break the process into small checkpoints so you can correct mistakes early rather than starting over. If you are new to this, expect a learning curve — most people improve noticeably on the second attempt.
Turn off water at isolation valve or mains
Open tap to release pressure and confirm flow stops. Plug the basin waste so small screws do not vanish. Work steadily through this part of fix a leaking tap, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.
Remove tap handle and shroud
Unscrew cap covering the handle screw — gently prise decorative caps with flat screwdriver. Lift handle off spindle. Work steadily through this part of fix a leaking tap, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.
Unscrew headgear nut and extract spindle
Grip body with one spanner, turn nut with another to avoid twisting pipework. Lay parts in order on towel. Work steadily through this part of fix a leaking tap, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.
Replace washer or entire cartridge
Match washer size at plumbers' merchant — bring old part. For mixers, replace whole cartridge using manufacturer code under handle. Work steadily through this part of fix a leaking tap, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.
Reassemble and turn water on slowly
Check for leaks at body joints and spout. Overtightening ceramic discs cracks them — snug only. Work steadily through this part of fix a leaking tap, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.
Sources and further reading
Facts, limits, and safety notes in this guide are cross-checked against the references below. Laws, fees, and product guidance change — always confirm details for your region before acting.
Background concepts and terminology
Wikipedia — Fix a leaking tap🔧 Troubleshooting
Tap still drips after new washer
Seat inside body may be scored — fit a combined washer and seat repair kit or replace tap.
Cannot turn water off fully
Isolation valve may be seized. Shut mains stopcock and plan valve replacement.
Water continues to leak after replacing the washer.
Ensure that the new washer is the correct size for your tap. If it is, check for any debris or mineral buildup in the tap seat that may prevent a proper seal. Clean the seat and reassemble the tap.
The tap handle is difficult to turn after repair.
This may be due to misalignment during reassembly. Disassemble the tap and ensure all components are aligned correctly. Also, check for any excess lubricant that may be causing friction.
❓ FAQs
When should I call a plumber?
Corroded valves, concealed leaks in walls, or no isolation valve warrant professional help.
Are tap washers universal?
No — sizes vary. Assortment packs help but exact match is best.
What tools do I need to fix a leaking tap?
Common tools include an adjustable wrench, screwdriver, pliers, and a replacement washer or cartridge, depending on the tap type.
How can I tell if my tap needs a new washer or cartridge?
If the tap continues to drip after tightening, or if you hear a hissing sound when it's turned off, it likely needs a new washer or cartridge.
Is it safe to turn off the water supply to fix a tap?
Yes, turning off the water supply is essential for safety and to prevent flooding while you work on the tap.
Know a better way?
Suggest clearer steps, fix mistakes, or add detail you use in practice. Your edit is reviewed before it goes live.
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