When homeowners start thinking about a bathroom renovation, the first question is almost always about cost. Tiles, tapware, and vanities come later. Before any of that, people want to know what they are actually committing to.
The honest answer is that bathroom renovations in Melbourne vary more than almost any other room in the house. A compact ensuite update and a full luxury bathroom remodel are entirely different projects in terms of scope, trades, and materials. Understanding where your project sits and what drives the cost at each level is the starting point for any renovation that finishes on budget.
Tier 1: The Cosmetic Refresh ($8,000 to $15,000)
Best for: Investors, rental properties, or homeowners happy with the existing layout
Building permits: Generally, not required
A cosmetic refresh keeps the plumbing where it is and focuses on replacing what you can see. This means a new vanity, toilet suite, and tapware installed in their existing positions, budget-friendly ceramic or porcelain tiles, updated lighting, and fresh paint. Professional waterproofing is non-negotiable under Victorian regulations and is included at this level regardless of budget. Because nothing structural is changing and no services are being relocated, permits are generally not required, which also keeps your timeline shorter.
Tier 2: The Full Renovation ($15,000 to $35,000)
Best for: Melbourne families wanting quality finishes and improved functionality
Building permits: May be required depending on scope
This is the most common project we work on, and it covers a complete rip-out and replacement of the bathroom with quality finishes. Floor-to-ceiling tiling with a feature wall, a semi-custom vanity, a frameless glass shower screen, and improved ventilation and lighting are all standard at this level. Minor adjustments to tap or waste positions are possible within this budget, though they add to the trade cost. The result is a bathroom that feels genuinely new rather than simply refreshed.
Tier 3: The Premium Remodel ($35,000 to $55,000+)
Best for: Homeowners wanting a high-end result or significant layout changes
Building permits: Required
At this level, the bathroom becomes a considered space rather than a functional one. Custom-made joinery, designer stone benchtops, underfloor heating, heated towel rails, and premium fixtures in finishes like brushed nickel or matte black are all within scope. Significant layout changes, such as relocating a bath, removing a wall, or reconfiguring the shower and toilet positions, are also possible here. These structural decisions drive much of the cost, but when done well they transform how the room feels and functions every day.
The Compliance Costs You Need to Budget For
Victorian building regulations exist to protect homeowners, and working within them adds cost that needs to be planned for from the start rather than discovered mid-project.
Any renovation project in Victoria exceeding $16,000 requires Domestic Building Insurance. This is a mandatory protection that covers you if a registered builder is unable to complete the work, and it cannot be waived. All plumbing and electrical work must also be completed by licensed tradespeople and accompanied by a Certificate of Compliance confirming the work meets Australian Standards. These are not optional extras.
Waterproofing is another area where cutting corners creates serious long-term risk. In a bathroom, properly installed waterproofing is the difference between a renovation that lasts twenty years and one that causes water damage to the structure within five. It must be done by a licensed waterproofer and inspected before tiling begins.
Why Layout Decisions Have Such a Large Impact on Cost
The single biggest variable in a bathroom renovation budget is whether the layout stays the same or changes. This is worth understanding before you fall in love with a design that moves the toilet to the other side of the room.
Relocating a toilet, shower, or bath requires moving the waste and water supply connections. In most Melbourne homes this means cutting into a concrete slab to re-route the drainage, which adds $3,000 to $5,000 in plumbing costs before anything else has changed. The work is invisible once completed, but it consumes a significant portion of a mid-range budget.
If you are working within a firm budget, keeping the existing layout and redirecting that money toward premium tiles, quality fixtures, or a better vanity will almost always produce a more impressive result than a layout change. The visual impact of large-format stone-look tiles and brushed brass tapware is far more noticeable to the eye than where the toilet sits relative to the door.
A Real Example: Spending the Budget Where It Shows
We recently worked with a Melbourne homeowner who came to us with a $22,000 budget and a design concept that included moving the shower to the opposite wall. When we worked through the full cost, the plumbing relocation alone consumed $4,500 of the budget before a single tile was selected.
We presented an alternative that kept the shower in its existing position and redirected the $4,500 toward 600×1200 stone-look porcelain tiles, a semi-frameless shower screen, and a floating stone-top vanity. The client chose the second option.
The finished bathroom looked considerably more premium than the original design would have, cost the same amount, and took less time to complete. Getting that kind of clarity before committing to a design is one of the most valuable things a good renovation team can offer.
How to Think About Where the Money Goes
In a typical bathroom renovation, roughly half the budget goes to labour and trades. Your licensed plumber, electrician, tiler, and waterproofer are all required on every project regardless of the finish level, and their costs are relatively fixed. The other half covers materials, including tiles, fixtures, vanity, shower screen, and fittings.
Beyond those two categories, hold back at least 10% as a contingency. Bathrooms are where behind-the-wall surprises are most common. Old water damage, inadequate framing, or drainage that does not meet current standards are all things that only become visible once the existing fit-out is removed. Having that reserve in place means the project keeps moving without stress when something unexpected turns up.
Frequently Asked Questions
How long does a bathroom renovation take in Melbourne?
A cosmetic refresh typically takes one to two weeks on-site. A full renovation generally runs three to four weeks. A premium remodel with layout changes or custom joinery can take six weeks or more. Lead times for materials, particularly custom vanities and stone benchtops, need to be factored in before work begins, and ordering these early is one of the simplest ways to avoid delays.
Does a bathroom renovation add value to a Melbourne home?
Yes, consistently. Bathrooms are one of the rooms buyers and renters inspect most carefully, and a dated or poorly maintained bathroom can suppress interest even when the rest of the home presents well. A well-executed renovation at the right budget for your property’s price point typically returns more than it costs in added value, particularly in Melbourne’s current market.
Can I renovate a bathroom for under $10,000?
It depends on the scope. A very targeted update, such as replacing a vanity, toilet, and tapware in existing positions with budget-friendly fixtures, can be achieved for under $10,000 in some cases. However, if the waterproofing needs to be redone, the tiles need to be replaced, or any licensed trade work is required beyond basic fit-off, costs will rise quickly. Be cautious of very low quotes as they often exclude compliance work that is legally required.
Ready to plan a bathroom renovation that works for your budget?
Book a free consultation with our team or visit our Experience Centre in Laverton North to see the quality of our work for yourself.
This article is for general information only. Costs and requirements vary based on your specific site and circumstances. Please consult with the Radevo Living team for a detailed project assessment.
