Sink Repair Cost (2026 UK Guide)
Sink problems are common in both kitchens and bathrooms. From leaking waste pipes and cracked basins to blocked traps and loose taps, repair costs vary depending on the type of sink and severity of the issue.
This 2026 UK guide explains average sink repair costs in the UK, what affects pricing, and when urgent repair may be required.
Average Sink Repair Cost
| Issue | Repair required | Average UK cost |
|---|---|---|
| Fix leaking sink waste | Replace seal or trap | £80 – £200 |
| Unblock sink | Clear trap or pipe | £80 – £180 |
| Replace sink tap | Supply and fit new tap | £120 – £300 |
| Reseal sink edges | Remove and reapply silicone | £80 – £180 |
| Repair cracked ceramic sink | Fill and refinish | £150 – £400 |
| Replace kitchen sink | Remove and install new sink | £200 – £600 |
For a full overview of related repairs, see our Kitchen & Bathroom Repair Cost Guide.
What Causes Sink Damage?
Sinks are exposed to constant water flow and daily use.
Common causes include:
- Worn waste seals
- Loose pipe connections
- Blockages from food or hair
- Impact damage
- Poor installation
- Limescale build-up
Kitchen sinks are especially prone to blockages from grease and debris.
Signs Your Sink Needs Repair
Early repair prevents cabinet and floor damage.
Look out for:
- Water leaking beneath sink
- Slow draining water
- Bad smells from waste
- Cracks in basin
- Loose or wobbling taps
- Mould around sink edges
If cabinets under the sink are damp, urgent attention is required.
What Affects Sink Repair Costs?
Several factors influence pricing.
Sink type
Ceramic, stainless steel and composite sinks vary in repair cost.
Access to plumbing
Tight cabinet spaces increase labour time.
Extent of water damage
Minor seal replacement is inexpensive.
Water-damaged cabinets increase costs.
Replacement parts
Premium tap brands increase supply costs.
DIY checks you can safely do
- Check under-sink pipes for drips
- Tighten visible waste connections
- Remove and clean trap
- Inspect silicone around edges
- Take photos before requesting quotes
Avoid dismantling concealed plumbing without proper tools.
When this is an emergency
- Major leak is flooding cabinet
- Water cannot be shut off
- Sink has cracked significantly
- Drain blockage is causing overflow
- Electrical appliances are exposed to water
Urgent professional repair may be required.
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