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Extension Builders in Brisbane

Tell us what you need. Our AI helps you build a professional brief for vetted installers, and our team verifies it. Once the quotes roll in, our system automatically compares them so you get a detailed comparison of the best options.

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Serving Brisbane

How it works

Step 1

AI-assisted job brief

Describe your extension builders project using the AI assisted chat below. Our system transforms your answers into the perfect brief for local professionals.

Step 2

Smart quote comparison

Local tradespeople bid on your project while our AI analyses every offer. We highlight the top three recommendations and procvide a detailed comparison so you can choose with confidence.

Step 3

Connect and book

You get the full contact details for every installer who submitted a quote. Call your top match or any of the others to chat through the job details and get it scheduled.

AI-assisted job brief

Extension Builders · Brisbane

70+ vetted professionals for Extension Builders in our network available to quote.

Supertrades
Hi, I will help you brief your Extension Builders in Brisbane. Is this a ground-floor room, a larger living extension, or a second storey?

Local insights

We mapped the market so you don't have to

We fetched extension builders businesses in and around Brisbane from online sources, then analysed ratings, review volumes, and recent feedback with AI to surface patterns and a side-by-side comparison. Skim the numbers below, then scroll for the full rundown, review notes, and FAQs.

Snapshot - in and around Brisbane.

8

Suppliers in scope

4.9

Avg. Google rating

146

Reviews analysed

At a glance

Brisbane Extension Builders suppliers

Compare local extension builders suppliers around Brisbane in one place. Each item shows star ratings, total reviews, distance from the centre of Brisbane, and an AI-assisted analysis of real customer feedback.

  • Livit Constructions | House Extensions, Home Renovations and Residential New Home Builders

    Google: 5.0 / 5 · 6 reviews · 10.6 km from search centre

    AI-assisted analysis of public reviews:

    Reviewers consistently praise Livit for clear communication, professionalism, and a helpful attitude when changes or issues arise. Feedback also points to quality workmanship and clients feeling well looked after, though the review sample is still fairly small.

  • Ruthven Constructions

    Google: 5.0 / 5 · 16 reviews · 0.0 km from search centre

    AI-assisted analysis of public reviews:

    Ruthven Constructions is repeatedly praised for strong communication, professionalism, and following through on what was promised. Reviews also highlight tidy worksites, solid workmanship, and smooth coordination of extra tasks or other trades.

  • Clarity Homes

    Google: 5.0 / 5 · 23 reviews · 6.0 km from search centre

    AI-assisted analysis of public reviews:

    Clarity Homes gets positive feedback for keeping clients informed, delivering high-standard workmanship, and managing insurance-related jobs smoothly. Most excerpts are about roofing rather than extensions, and one review mentions some delay around solar panel timing.

  • Built Homes & Renovations Pty Ltd

    Google: 5.0 / 5 · 22 reviews · 5.8 km from search centre

    AI-assisted analysis of public reviews:

    Built Homes & Renovations stands out for craftsmanship, attention to detail, and reliable project management. Reviewers also mention tidy sites, good communication, flexibility with changes, and jobs finishing on time or even early.

  • Amity Builders | Illawarra Passivhaus and High Performing Custom Home Builder

    Google: 5.0 / 5 · 12 reviews · 0.0 km from search centre

    AI-assisted analysis of public reviews:

    Amity Builders is praised for detailed workmanship, calm communication, and making renovations feel smooth rather than stressful. Reviews also mention efficient scheduling and responsive warranty follow-up, although this listing is not local to Brisbane.

  • Ecobuild Qld

    Google: 4.8 / 5 · 25 reviews · 1.1 km from search centre

    AI-assisted analysis of public reviews:

    Ecobuild Qld receives consistent praise for communication, punctuality, and practical problem-solving during substantial renovations. Clients also describe high build quality, approachable staff, and good effort to keep projects moving to schedule.

  • Complete Home Extensions

    Review note

    Google: 4.3 / 5 · 16 reviews · 41.6 km from search centre

    AI-assisted analysis of public reviews:

    Complete Home Extensions has several very positive reviews citing on-time builds, professional staff, and good communication during second-storey additions. However, one detailed negative review raises concerns about budget alignment, design responsiveness, and the contract process.

  • Urban Scene Construction

    Google: 4.7 / 5 · 26 reviews · 4.4 km from search centre

    AI-assisted analysis of public reviews:

    Urban Scene Construction is commonly praised for responsive communication, realistic quoting, and thoughtful design input on renovations. Reviewers also highlight strong workmanship, problem-solving, and projects landing on time or on budget.

Cross-Review AI Analysis

What locals are saying in Brisbane

AI-powered analysis of all of the customer reviews from multiple suppliers in the area.

Across these Brisbane extension builders, the strongest recurring theme is communication: many reviewers praise regular updates, responsiveness, and builders who explain options clearly. Workmanship is also a major selling point, with several businesses repeatedly described as detail-oriented, professional, and capable of handling complex renovation or extension work. A few builders also get specific credit for staying on schedule, coordinating trades well, and keeping sites tidy or disruption low. The market looks reasonably competitive rather than sparse, with multiple businesses carrying strong ratings and a decent number of reviews. That said, not every listing is equally extension-specific in the excerpts provided, and some review samples are fairly small. The clearest caution signal in this set is around one company’s design and pre-contract experience, while most others are overwhelmingly positive in the supplied text. Overall, buyers in Brisbane seem to value builders who pair quality construction with transparent guidance through changes, planning, and project delivery.

AI review notes

What public reviews mention in Brisbane

These AI-generated notes summarise public customer reviews. They do not independently establish the truth of disputed claims. Read the original reviews and any business responses on Google Maps.
  • Complete Home Extensions

    • One reviewer described designs coming in well over budget and not reflecting stated budget limits.
    • One reviewer felt pressured to sign a contract before being comfortable with the terms.
    • One reviewer said their design feedback was not properly heard during the process.
    • One reviewer reported a dispute over access to drawings after ending the engagement.
    • The 4.3 rating suggests mixed wider sentiment compared with most other listings here.

Local questions in Brisbane

Based on the supplied reviews, Built Homes & Renovations, Ecobuild Qld, Ruthven Constructions, Urban Scene Construction, and Livit Constructions all get repeated praise for communication and workmanship. Complete Home Extensions also has multiple strong extension-specific reviews, but it has a more mixed profile because one detailed review raises pre-contract and budget concerns.

Communication is a standout theme for several businesses here. Built Homes & Renovations, Ecobuild Qld, Ruthven Constructions, Urban Scene Construction, and Livit Constructions all have reviewers specifically mentioning regular updates, responsiveness, or clear explanations throughout the build.

Yes, a few businesses are specifically praised for timing. Built Homes & Renovations is described as respecting timelines and even finishing ahead of schedule, while Urban Scene Construction, Ruthven Constructions, Livit Constructions, and some Complete Home Extensions reviews also mention on-time delivery or strong follow-through.

Ruthven Constructions and Built Homes & Renovations both receive explicit praise for being neat, tidy, and respectful on site. Ecobuild Qld is also noted as easy to have on site, especially by a client who moved back in while works were still underway.

The most common positives are clear communication, quality workmanship, professionalism, and practical problem-solving when changes or issues come up. Several reviewers also appreciate builders who coordinate trades well, stay calm under pressure, and genuinely seem invested in the final result.

Yes: Complete Home Extensions is the clearest case to read in more detail. While it has multiple positive reviews, one very detailed negative review raises concerns about budget mismatch, design responsiveness, and pressure around contract signing, so it is worth checking broader review context on Maps.

A small review count does not automatically mean a poor option, but it gives you less pattern depth. For example, Livit Constructions has very positive feedback with consistent themes, yet the sample is still much smaller than some other listings, so you would want to verify those strengths in your own conversations.

Given the review patterns here, ask how they handle design changes, how often they provide progress updates, and who coordinates trades and scheduling. It is also sensible to confirm how they keep to budget, what happens if scope shifts, and how they manage site cleanliness and post-completion follow-up.

Estimate house extension cost in Brisbane

Build midpoints for one house extension in Australia. Rates cover a typical design-and-construct job on a flat site. Council fees, a new kitchen, and major structural steel are usually extra unless they are part of the second-storey option.

Fitout / site
A flat site with no plumbing is cheapest. A bathroom adds wet-area cost. Tight access or a slope adds labour and engineering.
Estimated cost range
$128,000 - $192,000
≈ $160,000 midpoint

Estimates are indicative only. For an accurate price, get free quotes from local tradies above.

General information

Home Extension Builders in Brisbane

Transform Your Home with Expert Builders

Are you looking to expand your living space? Our network of home extension builders in Brisbane is here to help. Whether you're planning a small renovation or a significant second storey extension, we connect you with skilled professionals ready to bring your vision to life.

Understanding the cost of a house extension is crucial for budgeting your project. With our house extension cost calculator, you can get a clearer idea of what to expect. From planning to execution, we ensure you have access to the best builders for house extension projects throughout Brisbane.

  1. Find local experts quickly and easily
  2. Compare quotes from multiple builders
  3. Receive tailored services to fit your needs
  4. Get guidance on renovation and extension options

What shapes your house extension quote

Type

1 / 3

Type

Ground-floor room versus a living extension or a second storey.

Frequently asked questions

Generally, extending your home can be more cost-effective than building a new one. It allows you to maximise your current space and can save on land costs.

The cheapest way to extend your house is often by opting for simple designs, like a single-storey extension, or by utilising existing structures.

On average, the cost of a house extension in Australia can range significantly, but most projects fall between $1,500 to $3,000 per square metre.

Building a home for $300,000 is possible, but it typically requires careful planning and consideration of design and materials.

Yes, $400,000 can be sufficient to build a house, depending on the location and the design choices you make.

It often depends on the market conditions. Building can be cheaper in some areas, while buying an existing home may be more practical in others.

To build affordably in Australia, consider using modular homes or simple designs that require fewer materials and labour.

Poor maintenance, undesirable locations, and extensive renovations that do not align with local trends can all decrease property value.

Generally, single-storey homes with basic designs are the cheapest types of houses to build.

Extending outwards can sometimes be cheaper, but building up can maximise space without altering your property’s footprint.

Yes, a $50,000 budget can cover a small extension, such as a basic room addition, depending on the design and materials.

A 3-metre extension can add significant value and functionality to your home, making it a worthwhile investment for many homeowners.

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