Small Bathroom Renovation Ideas for Brisbane Apartments: Maximising Limited Space

Posted on February 2, 2026 by Wale
Categories: Bathroom Renovations

Small bathroom renovations in Brisbane apartments work best when you keep the plumbing where it is, open up the floor with a wall-hung toilet and floating vanity, use frameless glass and large-format tiles, and build storage into the walls. Get body corporate approval in writing before work starts, and treat waterproofing and ventilation as non-negotiable in our humid climate.

Living in a Brisbane apartment often means living with a tiny bathroom. The good news is that even the smallest room can be transformed with the right decisions. If you live in a house rather than a unit, see our small bathroom renovation ideas for Logan and Brisbane homes, which cover layouts body corporates do not restrict.

Small bathroom renovations Brisbane: what makes apartments different

Brisbane apartment bathrooms are typically 2 to 5 square metres, and they come with challenges a house does not have:

• High humidity from our subtropical climate
• Limited ventilation, often with no window at all
• Body corporate by-laws that control what you can change and when
• Concrete slabs and shared plumbing stacks that make moving fixtures difficult
• Waterproofing that protects the unit below as well as your own
• Small footprints that make storage hard

That is why a unit bathroom needs a plan built around what can stay, not just what you would like to add. Our guide to apartment bathroom renovations and body corporate rules covers the approval side in more depth.

Space-saving fixtures for a small apartment bathroom

The right fixtures free up floor space and make the room feel calmer. Each one has an apartment-specific catch worth checking first:

Fixture	Space-saving benefit	Apartment watch-out
Wall-hung toilet	Shows more floor and makes cleaning easier	Needs a wall cavity for the in-wall cistern; check it is not a shared or structural wall
Floating vanity	Storage underneath while the floor stays visible	The wall needs framing or support to carry it
Walk-in or corner shower	Uses space a bath or framed cubicle wastes	Floor falls to the waste must work on the existing slab
Frameless or semi-frameless screen	Removes the visual barrier across the room	A fixed panel avoids door-swing clearance problems
Mirrored shaving cabinet	Doubles as storage and bounces light	Recessing it needs a suitable wall cavity

Clever storage ideas for tiny bathrooms

• Recessed wall niches in the shower and beside the vanity store bottles without taking up floor space.
• Vertical storage: a tall, narrow cabinet uses height instead of width.
• Deep vanity drawers hold far more than doors and a shelf.
• Behind-the-door hooks and rails use space that is usually forgotten.
• A full-width mirrored cabinet hides daily items and makes the room look bigger.

Beating Brisbane humidity in a small bathroom

Our subtropical climate is hard on small, enclosed bathrooms. To keep mould away:

• Install an exhaust fan with a humidity sensor that runs until moisture levels drop, ducted to the outside
• Use mould-resistant paint on the ceiling and walls
• Choose low-porosity porcelain tiles and a quality grout
• Leave the door open after showers where you can, and wipe down the glass

How to make a small bathroom look bigger

Colour and light

• Light, tonal colours make the room feel bigger and brighter
• Large mirrors reflect light and create the illusion of more space
• Layered lighting removes the shadows that make a room feel cramped

Smart tiling

• Large-format tiles mean fewer grout lines and a more seamless look
• Running the floor tile into the shower makes the floor read as one surface
• Vertical tile layouts draw the eye up and make the ceiling feel higher

Working with your body corporate

Before renovating a Brisbane apartment bathroom:

1. Read your building’s by-laws on renovations, working hours and noise
2. Get written approval before any structural, plumbing or waterproofing work
3. Confirm floor finish and acoustic requirements, as some buildings require underlay or specific tiles
4. Book lift protection and delivery times with building management
5. Let your neighbours know about noise and disruption
6. Use licensed trades, which most body corporates require anyway

Licensed work vs DIY in an apartment bathroom

Some jobs need licensed professionals by law in Queensland, while others are safe to tackle yourself:

Task	Who does it	Why
Waterproofing	Licensed waterproofer	Protects your unit and the one below; must meet AS 3740
Plumbing, including tapware	Licensed plumber	Plumbing work is licensed in Queensland
Electrical, lighting and fans	Licensed electrician	A wet room is the highest-risk place for wiring
Tiling	Professional tiler	Tiles sit directly on the membrane and must not damage it
Painting	DIY is fine	Use a mould-resistant bathroom paint
Towel rails, hooks, holders	DIY is fine	Avoid drilling through the shower waterproofing

Budget-friendly tips for Brisbane apartment bathrooms

1. Keep the plumbing where it is. Moving it is expensive and often needs body corporate approval.
2. Refresh rather than replace when the waterproofing is sound. New vanity, tapware, screen and paint can transform a room.
3. Focus on high-impact changes you notice every day, like the vanity, mirror and shower screen.
4. Choose standard sizes for vanities, cabinets and screens instead of custom.
5. Do the painting and accessories yourself once the licensed work is finished.

For more ways to stretch a budget, read how to renovate a bathroom on a budget.

Before you start: five questions

1. What bothers you most about the current bathroom?
2. What is your realistic budget, including a contingency?
3. How long can you manage without a working bathroom?
4. Do you have, or can you get, body corporate approval?
5. Have you measured the room and photographed the plumbing points?

With those answered, a builder can scope the job properly and give you a quote that reflects your building’s rules. Want more design inspiration? See our guide to planning a bathroom renovation.

Talk to a licensed Brisbane builder

Need help with a small apartment bathroom? HEW Projects is QBCC licensed (15267396) and a Master Builders Queensland member, renovating bathrooms across Brisbane, Logan, the Redlands and the Gold Coast. Call 0420 266 652 or request a free on-site quote.