How Much Does It Cost to Replace a Kitchen Sink in Australia (2026)?
Quick Answer
Kitchen sink replacement (labour): $300–$800. Drop-in/top-mount: $300–$500. Undermount: $400–$1,000. Add $200–$500 for a new mixer tap. Total with sink and tap supplied: $500–$1,500.
Kitchen Sink Replacement Costs
| Type | Labour | Time |
|---|---|---|
| Drop-in (same cutout size) | $300–$500 | 1–2 hours |
| Undermount (existing cutout) | $400–$700 | 2–3 hours |
| New cutout required | $600–$1,000 | 3–4 hours |
| Mixer tap replacement (add-on) | $150–$300 | 30–60 min |
| Waste and trap replacement | $80–$150 | 20–30 min |
What's Involved
- Disconnect: Turn off water, disconnect supply hoses and waste
- Remove old sink: Unclip/unscrew, remove silicone seal
- Install new sink: Apply silicone, secure clips, connect waste trap
- Connect tapware: Install mixer tap, connect flexi hoses
- Test: Check for leaks under pressure, test drainage
Upsell Opportunities
- Dishwasher connection: If they're getting a new sink, offer to add/check the dishwasher connection (+$100–$200)
- Insinkerator/waste disposal: Popular add-on, +$300–$600 installed
- Water filter tap: Under-sink filtration, +$300–$500 installed
Is It Notifiable?
Like-for-like kitchen sink replacement on existing connections is generally not notifiable in QLD. If you're adding new water points or modifying the drainage, it becomes notifiable work.
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