By Steve – Professional Home Builder and Interior Designer
A bathroom renovation can instantly add value, comfort, and a sense of luxury to your Brisbane home. But even a small misstep can quickly lead to headaches, delays, or unexpected costs. Brisbane’s climate, lifestyle, and council requirements also mean there are a few unique traps to watch out for. Here are the most common bathroom renovation mistakes—and how you can avoid them for a smooth, successful project.

1. Skipping the Planning Stage
The most common renovation mistake is rushing in without a clear plan. Take time to work out your layout, measurements, and a realistic budget before you start. Consider how you want to use the space and factor in all the essentials: storage, lighting, ventilation, and the right mix of fixtures. A professional design can help you make the most of every square metre—especially in compact Brisbane bathrooms.
2. Ignoring Ventilation and Moisture Control
Brisbane’s warm, humid climate makes moisture management absolutely vital. Poor ventilation can lead to mould, peeling paint, and damage to fixtures. Always invest in a quality exhaust fan, ensure windows open easily, and consider additional moisture barriers behind tiles and in wet zones. Skimping on this step can mean costly repairs down the track.
3. Underestimating the Importance of Waterproofing
Waterproofing is a non-negotiable in any bathroom, but it’s especially crucial in Brisbane, where storms and humidity are the norm. Always hire a licensed waterproofer, and make sure the work meets local codes. Cutting corners or DIY-ing this stage is a recipe for leaks, rot, and insurance issues.
4. Overlooking Council Approvals
Many Brisbane homeowners are surprised to learn that even internal renovations sometimes require council approval—particularly if you’re changing plumbing layouts or moving walls. Check with your builder and Brisbane City Council before starting, so you don’t face fines or delays later.
5. Poor Layout and Space Planning
It’s easy to get caught up in Pinterest inspiration, but your bathroom must work for your family’s needs. Don’t cram too much into a small space or block windows and doors with bulky vanities. Allow enough clearance for drawers, shower screens, and toilets. Think about future resale: timeless designs tend to add more value than short-lived trends.
6. Skimping on Quality Fixtures and Trades
A bathroom takes a lot of punishment—so invest in quality tiles, tapware, waterproof cabinetry, and professional trades. Cheap fixtures and DIY tiling may look good for a while but rarely stand up to Brisbane’s conditions. Choose trusted local tradespeople and get everything in writing.
7. Forgetting About Storage
A beautiful bathroom isn’t much use if you have nowhere for towels, toiletries, and cleaning products. Plan for practical storage: think mirrored cabinets, built-in shelving, or custom vanities. Clever storage solutions keep benchtops clutter-free and your new space feeling organised.
8. Failing to Consider Lighting
Natural light is a huge asset in Brisbane, but bathrooms also need good task lighting. Don’t rely on a single ceiling fixture. Include LED strips, wall sconces, or mirror lights for grooming and ambiance. Well-designed lighting makes your bathroom both functional and inviting.
9. Choosing the Wrong Materials
Humidity and moisture can quickly damage the wrong materials. Choose tiles, paint, and cabinetry designed for wet areas and suited to Queensland’s subtropical climate. Non-slip tiles are also a must for safety.
10. Not Planning for the Future
Think ahead—are your needs likely to change? Features like walk-in showers, grab rails, or wider doorways can make your bathroom more accessible as you age, or more attractive to future buyers.
A successful bathroom renovation in Brisbane is all about thorough planning, using the right materials, and hiring experienced local professionals. By avoiding these common mistakes, you’ll enjoy a bathroom that looks great, functions beautifully, and adds lasting value to your home.
If you need expert help with design, approvals, or local trades, I’m here to make your renovation as easy and stress-free as possible.