If you’re mid-renovation and stuck on the vanity question, you’re not alone. It comes up constantly. Should you go double or stick with a single? It sounds simple until you’re standing in a showroom, realising you have no idea how wide your bathroom actually is.
This article covers the real pros and cons of double vanities, when they make sense, and when they’re just an expensive mistake.
What Is a Double Vanity in a Master Bathroom?
A double vanity is two sinks set into one shared countertop, usually with mirrored cabinetry above and separate storage below for each user. The difference between single and double goes beyond an extra basin; it’s a different approach to how two people share a space. A single vanity feels open and minimal; a double feels intentional, designed for two.
Why Double Vanities Are Trending
People want their homes to work harder. With more couples sharing morning schedules, the bathroom has become a genuine pressure point. Following bathroom vanity trends in 2026, double vanities are showing up paired with floating cabinetry, LED mirrors, and natural stone benchtops. They’re not just functional anymore, they’re a design statement. Buyers notice too. A well-appointed master bathroom is one of those features that sticks in people’s minds during an inspection.
Pros of a Double Vanity
- Better Morning Efficiency
No more waiting. No negotiating over the sink while someone hovers with a toothbrush. That sounds minor until you’ve lived through it every morning for years.
- More Storage
Two sets of drawers means each person gets their own zone. Everything has a place, or at least, that’s the idea.
- Luxury Aesthetic
There’s something about the symmetry of a double vanity that just looks considered. It gives a bathroom a hotel-like feel, especially when paired with high-quality fixtures. Look for suppliers who can provide the best bathroom renovation in Melbourne, including frameless options that complement this look beautifully in an ensuite.
- Ideal for Shared Bathrooms
Couples, families with teenagers, and anyone sharing a bathroom benefits from the separation. Less friction in the morning is genuinely valuable.
Cons of a Double Vanity
- Requires More Space
A standard double vanity needs at least 1500mm of width. In a smaller bathroom, forcing one in makes the room feel cramped and difficult to move through. This is where many renovations go wrong.
- Higher Plumbing Costs
Two sinks mean two sets of plumbing. That adds cost, and depending on where your existing pipes sit, it can add quite a bit. The typical answer to “How Long Does It Take To Renovate a Bathroom?” is between four and six weeks, but added plumbing complexity can push that out further.
- Less Counter Space Than You’d Think
Two basins can actually leave you with less usable surface than a single vanity with a generous countertop. If you rely on bench space, that’s worth considering.
- Layout Challenges
Door clearance, traffic flow, and shower positioning of a double vanity affect all of it. What looks good in a catalogue doesn’t always translate to a real bathroom.
Double Vanity vs Single Vanity
| Feature | Double Vanity | Single Vanity |
| Functionality | High for multiple users | Best for solo use |
| Space Needed | Large | Compact |
| Cost | Higher | Lower |
| Storage | More | Moderate |
| Aesthetics | Luxury feel | Minimal |
One is not better than the other. It depends entirely on how you live.
Key Factors Before You Decide
Measure your bathroom properly, twice if needed. Think honestly about whether your routines actually overlap. Factor in the full renovation cost, not just the vanity price tag. And consider your lifestyle: some couples have completely staggered mornings and barely share the bathroom at the same time. In that case, a double vanity solves a problem you don’t really have.
When It’s Worth It and When It’s Not
A double vanity makes the most sense for couples sharing a master bathroom with genuine schedule overlap, anyone doing a larger luxury renovation, or a home where resale value matters. Skip it for smaller bathrooms, tighter budgets, solo users, or anyone who values open counter space over the dual-sink setup.
If you’re not sold on a double vanity, a single with an extended countertop gives you workspace without the plumbing cost. Wall-mounted vanities free up floor space and make a smaller bathroom feel bigger.
What’s Trending in 2026
Floating vanities continue to dominate. Smart storage, LED mirror integration, and natural stone finishes are now expected rather than a bonus. The trend for the best bathroom renovation in Melbourne is shifting toward cleaner, frameless profiles, while vanity design is moving toward tactile materials and minimal hardware.
Common Mistakes to Avoid
Ignoring measurements until it’s too late. Prioritising appearance over function. A beautiful vanity that doesn’t suit your bathroom use will frustrate you daily. And choosing materials that can’t handle moisture is an expensive lesson nobody wants to learn twice.
Final Verdict
It depends. On your space, your budget, and honestly, how much your morning routine actually overlaps with someone else’s. A double vanity can genuinely transform a master bathroom. But it can also be an oversized feature that doesn’t match how you actually live. Think practically first. The aesthetics will follow.
Thinking about renovating your master bathroom? At A Grade Bathrooms, we help Melbourne homeowners make smart decisions from vanity selection to full bathroom transformations. With over 10 years of experience and a one-project-at-a-time approach, we bring real craftsmanship to every job. Call us on 0426 790 367 or reach out today for a free, no-obligation quote. Let’s build something worth waking up to.


