Free Quote
We visit, listen, and understand your vision and budget.
At Quantum Building Maintenance, we work with homeowners across the Sunshine Coast to create bathrooms and living spaces that combine thoughtful design, quality workmanship and practical everyday function.

5.0
★★★★★
450+ Projects Delivered
More Comfort, Every Day
Replace the cramped shower or tired old bath with a space you actually enjoy. More room to move, a relaxing soak and a layout that makes getting ready easier.
Easier Access for Every Stage of Life
Make your bathroom more comfortable to use as your needs change. A walk in shower, wider entry and thoughtfully placed fittings can help you stay independent in the home you love.
A Bathroom That Fits Your Family
Your family’s needs change over time. Whether it’s a bath for the kids, more storage or a double vanity to ease the morning rush, renovating can make daily life run more smoothly.
Add to Your Home’s Resale Appeal
An outdated bathroom can put buyers off. A fresh, well finished space can improve your home’s appeal and help support its resale value when you’re ready to sell.
We design and deliver bathrooms that feel clean, considered, and easy to live with. From layout decisions to final fixtures, every detail is coordinated to create a cohesive result that suits your home.
Caloundra Kitchen & Dining
Caloundra
·
6 weeks
Greenfield Family Home
Highland Park
·
8 weeks
Riverside Bathroom
Riverside
·
3 weeks

5.0
★★★★★
450+ Projects Delivered
Book a time for a Free Quote
We give you a clear quote and a clear timeline - then we stick to both.
One dedicated project manager.
A single point of contact from first call to final walkthrough. No runaround.
Transparent pricing.
Detailed quotes, no hidden costs. You always know where you stand.
Clean, respectful team.
We treat your home like our own: tidy worksite, minimal disruption.
Trusted by Sunshine Coast homeowners for renovation spaces that feel practical, polished, and built to last.
★ 5.0 on Google
Locally Owned & Operated
450+ happy homeowners
Budderim
Maroochydore
Mooloolaba
Caloundra
Coolum Beach
Noosa Heads
Noosaville
Peregian Beach
Buddina
Minyama
10
years
Warranty
Free, no-obligation quote
Upfront pricing
Backed in writing
Your estimate is free and comes with zero obligation. Our advice is honest, our pricing is upfront, and every job is backed in writing. If something isn't right, we make it right.
// FAQ //
How much does a renovation cost?
Every project is different, so we give you a detailed, itemized quote after a free consultation no vague ballparks, no surprises.
What type of renovation work do you take on?
Do I need council approval for a bathroom or ensuite renovation?
Can you help with the design, layout and finishes?
Do you organise all the trades?
How long will my renovation take?
Is your renovation work covered by a warranty?