// Bathroom Renovation Sunshine Coast

// Why Choose Us //

Give Your Backyard a Bigger Purpose

Give Your Backyard a Bigger Purpose

A granny flat can turn unused backyard space into something that contributes to your future. Whether you want rental income, more room for family or a property that offers more when it’s time to sell, a well planned build gives you options. QBM Projects helps Sunshine Coast homeowners explore granny flats and portable homes that suit their property and what they want to achieve.

A granny flat can turn unused backyard space into something that contributes to your future. Whether you want rental income, more room for family or a property that offers more when it’s time to sell, a well planned build gives you options. QBM Projects helps Sunshine Coast homeowners explore granny flats and portable homes that suit their property and what they want to achieve.

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Create an Opportunity for Rental Income

A granny flat with its own kitchen, bathroom and entrance could provide rental income, subject to the relevant approvals and rental requirements. That income could help with mortgage repayments or other household costs while you continue living in the main home.

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Add to Your Property’s Value

A thoughtfully built granny flat can add value by giving your property more usable accommodation. The result will depend on the build cost, quality and local market, so it’s worth planning around what future buyers would find useful too.

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Give Your Property More Possibilities

Use the space for family now and consider renting it out later, where permitted. A granny flat gives you flexibility as your circumstances change, so your property can serve more than one purpose.

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Add Space Without Leaving Home

Create another bedroom, living area, kitchen and bathroom without trying to squeeze everything into the main house. You gain separate accommodation while staying in the location you already know and love.

Why Choose Us

5.0

★★★★★

450+ Projects Delivered

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Vibrant abstract oil and digital artistic gradient
Futuristic neon glowing spatial aesthetic
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// Before & After Bathroom Renovations

// Before & After //

Bathroom transformations.

Bathroom transformations.

Before
After

Caloundra Kitchen & Dining

Caloundra

·

6 weeks

Before
After

Greenfield Family Home

Highland Park

·

8 weeks

Before
After

Riverside Bathroom

Riverside

·

3 weeks

// Why Home Owners Trust Us

// Why Choose Us //

Put Your Backyard to Work

Put Your Backyard to Work

If part of your block rarely gets used, it could offer more than somewhere to mow. A granny flat or portable home can give that space a practical purpose. The key is choosing a size and layout that adds useful accommodation while keeping the property comfortable for everyone.

Make Better Use of the Land You Own

You may already have the space you need for another home. Building on your existing property lets you explore that potential without buying a separate block of land.

Help Family With Somewhere to Live

Give adult children a place to stay while they save, or create a home for parents who want to be closer. Separate accommodation can support the family while giving everyone their own space.

If part of your block rarely gets used, it could offer more than somewhere to mow. A granny flat or portable home can give that space a practical purpose. The key is choosing a size and layout that adds useful accommodation while keeping the property comfortable for everyone.

Make Better Use of the Land You Own

You may already have the space you need for another home. Building on your existing property lets you explore that potential without buying a separate block of land.

Help Family With Somewhere to Live

Give adult children a place to stay while they save, or create a home for parents who want to be closer. Separate accommodation can support the family while giving everyone their own space.

Why Choose Us

5.0

★★★★★

450+ Projects Delivered

// Our Process

Simple, start to finish.

No stress, no guesswork - just a clear, well-planned renovation journey from your first idea to the final reveal.

STEP 01
STEP 02
STEP 03
STEP 04

Free Quote

We visit, listen, and understand your vision and budget.

Design & Prep

You get a detailed plan and a transparent, fixed quote.

Renovate & Build

Our crew gets to work, keeping you updated every step of the way.

Final Handover

We hand back a finished space you'll love backed by our warranty.

// Our Process

Simple, start to finish.

No stress, no guesswork - just a clear, well-planned renovation journey from your first idea to the final reveal.

STEP 01
STEP 02
STEP 03
STEP 04

Free Quote

We visit, listen, and understand your vision and budget.

Design & Prep

You get a detailed plan and a transparent, fixed quote.

Renovate & Build

Our crew gets to work, keeping you updated every step of the way.

Final Handover

We hand back a finished space you'll love backed by our warranty.

// Our Process

Simple, start to finish.

No stress, no guesswork - just a clear, well-planned renovation journey from your first idea to the final reveal.

STEP 01
STEP 02
STEP 03
STEP 04

Free Quote

We visit, listen, and understand your vision and budget.

Design & Prep

You get a detailed plan and a transparent, fixed quote.

Renovate & Build

Our crew gets to work, keeping you updated every step of the way.

Final Handover

We hand back a finished space you'll love backed by our warranty.

Recent projects we’ve completed

Explore a selection of the renovations and transformations we’ve delivered for homeowners.

Greenfield Family Home bathroom with freestanding bath and double vanity
01 / 02

Greenfield Family Home

A bright bathroom within a whole-home renovation, with a freestanding bath, double vanity and marble-look finishes. Explore the project for more detail on the wider transformation.

View project

// Our Services

// Our Services //

Our Renovation Services

Our Renovation Services

From a single bathroom renovation to a complete home renovation, we manage the project from start to finish so you always know what is happening and what comes next.

Whatever the room, whatever the scope - we handle it all under one roof, start to finish.

Whatever the room, whatever the scope - we handle it all under one roof, start to finish.

Bathrooms designed for calm, practical everyday use

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.

Layout & storageWaterproofing & tilingVanities & fixturesPlumbing & lighting

From first conversation to handover

  1. 1Free Quote
  2. 2Confirm Project
  3. 3Build Complete
  4. 4Final Inspection
  5. 5Handover
Explore Bathrooms
Bathrooms renovation service preview

// Reviews

// Reviews //

Hundreds of Happy Home Owners

Hundreds of Happy Home Owners

Renovations our clients love

Trusted by Sunshine Coast homeowners for renovation spaces that feel practical, polished, and built to last.

★ 5.0 on Google

QBCC Licensed & Insured

7 Year Warranty Guaranteed

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// Tell Us What You’re Planning

Your Renovation, From Idea To Finished Space

We discuss the space, what you want to change and what you would like the finished renovation to feel like. We work with you through the important decisions around layout, finishes, fixtures and materials to achieve the perfect finish.

Same Day Quotes

★★★★★

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// Tell Us What You’re Planning

Your Renovation, From Idea To Finished Space

We discuss the space, what you want to change and what you would like the finished renovation to feel like. We work with you through the important decisions around layout, finishes, fixtures and materials to achieve the perfect finish.

Same Day Quotes

★★★★★

Image

// Tell Us What You’re Planning

Your Renovation, From Idea To Finished Space

We discuss the space, what you want to change and what you would like the finished renovation to feel like. We work with you through the important decisions around layout, finishes, fixtures and materials to achieve the perfect finish.

Same Day Quotes

★★★★★

// Service Areas

// Service Areas //

Proudly serving the Sunshine Coast

Proudly serving the Sunshine Coast

Local, trusted, and just around the corner.

Local, trusted, and just around the corner.

// Our Guarantee

// Our Guarantee //

Backed by our 10-year workmanship warranty.

Backed by our 10-year workmanship warranty.

10 YearWarranty
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Free, no-obligation quote

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Upfront pricing

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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 //

Questions, answered.

How much will my bathroom renovation cost?

The biggest differences usually come down to what’s being changed, the condition of the existing bathroom and the fixtures you choose. Keeping the plumbing in place is a different job from moving the toilet, shower and vanity. When we visit, we’ll talk through your budget and priorities so the quote reflects what you actually want. If you’re weighing up a few ideas, we can explain what each would mean for the work involved.

How long will we be without a bathroom?

Do I need council approval for a bathroom or ensuite renovation?

Do I need to organise the plumber and electrician?

Do you organise all the trades?

I know what I like, but I’m not sure how to put it together. Can you help?

Is moving the shower or toilet worth it?

What happens if you find damage when the old bathroom comes out?

Can we stay at home while you renovate?

// Let's Begin

Ready to transform your home?

// Let's Begin //

Ready to transform your home?

// Let's Begin

Ready to transform your home?

Quantum Building Maintenance logo in the website footer

Good renovations make your home better to live in. We help Sunshine Coast homeowners create bathrooms and spaces that look great, work properly and feel right for the way they live.


QBCC No: 15391501

Licensed Builders

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© 2026 Quantum Building Maintenance. All rights reserved. Sun State Digital

Quantum Building Maintenance logo in the website footer

Renovations that add real value to your home - designed beautifully, built to last.

  • Social Icon
  • Social Icon
  • Social Icon

© 2026 Quantum Building Maintenance.

All rights reserved. Sun State Digital

Quantum Building Maintenance logo in the website footer

Good renovations make your home better to live in. We help Sunshine Coast homeowners create bathrooms and spaces that look great, work properly and feel right for the way they live.


QBCC No: 15391501

Licensed Builders

  • Social Icon
  • Social Icon
  • Social Icon

© 2026 Quantum Building Maintenance.

All rights reserved. Sun State Digital