In 2025, a bathroom renovation in Australia usually costs between $15,000 and $40,000+, depending on the size, style, and finishes you choose.
Let’s answer your most common questions — simply, clearly, and honestly.
Why do bathroom renovation costs vary so much?
Bathroom costs depend on:
- Size & complexity – ensuite vs. large master bathroom
- Quality of fixtures & tiles – budget vs. designer
- Layout changes – moving plumbing walls costs more
- Labour & location – trades in Sydney cost more than Newcastle
- Waterproofing & compliance – mandatory and can add thousands
For example, a small update with basic fixtures might cost $15,000–$20,000, while a luxury bathroom could exceed $40,000.
How much does a small vs. large bathroom renovation cost?
2025 price guide:
- Small/basic renovation: $10,000–$20,000
- Mid-range renovation: $20,000–$30,000
- High-end / large renovation: $30,000–$50,000+
For an accurate quote, talk to local specialists like Hunterwide Building.
What hidden costs should I plan for?
Beyond fixtures and tiles, consider:
- Waterproofing & certification (legally required)
- Plumbing & electrical upgrades
- Demolition & waste removal
- Feature lighting & mirrors
- Council approvals if moving walls or changing layout
Tip: Keep 10–15% extra in your budget for unexpected issues, especially in older homes.
Where is it cheaper to renovate a bathroom in Australia?
Bathroom renovations are often 10–20% cheaper in regional cities like Newcastle than in Sydney or Melbourne.
Working with local experts like builders Newcastle can also help manage costs and avoid city-level markups.
When is the best time to renovate?
- Autumn or winter: Tradies are less busy
- Before summer demand peaks
- After getting 2–3 quotes to compare
Planning early helps lock in prices and avoid delays.
Who do I need to hire for a bathroom renovation?
- Licensed builder or project manager
- Plumber & electrician
- Waterproofer & tiler
- Painter / carpenter (if custom cabinetry)
A full-service team like Hunterwide Building can manage everything from design to handover.
What adds the most to bathroom renovation costs?
- Custom vanities & stone benchtops
- Floor-to-ceiling tiles & feature walls
- Underfloor heating & heated towel rails
- Frameless shower screens
- Designer tapware & premium fittings
If you’re on a budget, keep plumbing in the same place and choose mid-range tiles.
Dreaming of a fresh, modern bathroom?
Talk to the team at Hunterwide Building for a free quote and expert design ideas tailored to your space.
FAQ
How long does a bathroom renovation take?
Usually 3–6 weeks, depending on scope.
Can I renovate for under $15,000?
Yes – with a small bathroom, standard fixtures, and keeping the same layout.
Does the price include plumbing?
Basic plumbing is included; major changes cost extra.
Is waterproofing required?
Yes – it’s mandatory by law and must be done by a licensed waterproofer.
Does renovating add value?
Yes – updated bathrooms are among the top features buyers look for.