Home Extensions for Perth Families


We understand that choosing a home extension is usually driven by one thing. Your home no longer fits the way you live. You might need more room for your family, want better flow, or simply wish to add value to the property. That does not mean your extension has to look bulky or feel tacked on. With ATBuild WA Pty Ltd, you receive seamless home extensions that look natural, feel comfortable, and improve your daily lifestyle. Our skilled and passionate team designs and builds spaces that match your needs and enhance your home for many years to come. 


Call us today on 0415 077 396 to get started.

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Home Extensions Designed to Blend with Your Lifestyle



At ATBuild WA Pty Ltd, we believe every family deserves a home that makes life easier. A well planned extension can add space, create new rooms, and give your property a fresh new feel. We listen closely to what you need and turn those ideas into a liveable extension that looks like it was part of your house from day one. Using careful planning and professional workmanship, we make sure every corner, join and finish fits your home perfectly.

Outside view of a house in the middle of getting a new extension.
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Why Home Extensions Can Feel Overwhelming

Taking on a home extension can bring up a lot of questions. Will it match your existing style? Will it take too long? Will it cost more than planned? You should not have to worry about these problems. That is where ATBuild WA Pty Ltd makes the difference. We guide you through every step, help you understand your options, and manage the entire build, so you can enjoy the journey instead of stressing through it.

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Single-Storey Extensions for Functional Living

A single-storey extension is one of the most popular ways to gain extra space without changing your entire home layout. These extensions can create larger living areas, open plan kitchens, extra bedrooms or even new outdoor connected spaces. They are ideal for growing families, entertainers or anyone who wants more room without adding another level. We make sure your single-storey addition flows naturally with your existing home structure for a balanced, cohesive result.

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Double-Storey Extensions for Bigger Home Transformations

If your block size is limited or you want to maximise your building footprint, a double-storey extension could be the perfect answer. Adding a second level opens the door to multiple new rooms. From bedrooms and bathrooms to studies and lounge spaces, the possibilities are endless. Our team takes care to match your roof line, connect staircases neatly, and ensure every detail aligns with your home’s current style, so your new floor looks purposeful rather than added on.

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What Makes ATBuild WA the Best Choice for Home Extensions

A home extension should be a positive and exciting stage in your life. We make that happen by focusing on what matters.

Quality Workmanship

We believe in building spaces that last. Our attention to detail ensures every wall, cabinet, tile, and surface is finished to a high standard. When you choose us, you choose long-lasting quality.

Client-Focused Communication

You stay informed the whole way through. We explain your options clearly, answer your questions, and make sure you understand each step from planning to completion.

Experienced Team

With years of experience across all types of home extensions, we know how to manage challenges, problem-solve, and deliver smooth results that keep your project on track.

Full-Service Project Management

We take care of every trade and every stage. From design to council requirements and final touches, you will not need to organise anything yourself.

Seamless Design

Your extension will never feel added on. Our goal is to make it look like your home was always meant to have this extra space. Inside and outside, the finish will be natural and blended.

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Frequently Asked Questions

  • How Long Do Home Extensions Usually Take

    A home extension can take anywhere from several weeks to a few months, depending on the complexity of the build, material availability, and whether the project is a single or double-storey structure. At ATBuild WA Pty Ltd, we provide a clear timeline before work begins and update you throughout the build. Our goal is to manage the project efficiently and minimise disruption while keeping craftsmanship standards high.

  • What Is the Cost of Building a Home Extension

    Costs can vary depending on size, design choices, materials, and structural requirements. A simple room addition will always cost less than a double-storey build that requires major structural integration. We provide transparent pricing and detailed quotes so you understand where your budget is going. Our team focuses on delivering long-lasting value through quality workmanship rather than cutting corners to reduce cost.

  • Do I Need Council or Building Approval for a Home Extension

    Most home extensions will require council approval or building permits to ensure the structure meets safety and planning regulations. We help guide you through this stage and assist with paperwork where needed. Handling approvals early prevents delays later and helps keep your timeline on track. Our experience ensures compliance processes are handled carefully and correctly.

  • Can I Still Live at Home During the Extension

    Many clients are able to stay in their home while the extension is being built, especially if the work is focused on one part of the property. We take steps to manage dust, noise, and site access safely. If temporary disruptions are expected, we will discuss them with you well in advance. Our goal is to keep your family comfortable throughout the process.

  • How Do I Know Which Type of Extension I Need

    The right style of extension depends on your goals, block size, and how you want to use your new space. Single-storey options work well for expanding living rooms, kitchens, or ground-level bedrooms, while double-storey extensions suit growing families who need more bedrooms or private spaces. We provide expert advice and show you what will work best for your lifestyle and structure.

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Speak With Perth’s Home Extension Specialists Today


If your family is ready to stretch out, live more comfortably, and love your home even more, ATBuild WA Pty Ltd is the team to call. With friendly service, expert skill, and full project care, we make home extensions rewarding instead of stressful. Reach out today on 0415 077 396 and tell us about the space you want to create.