
More Space, Made To Feel Like It’s Always Been There.
Servicing Mid North Coast
Outgrowing your home?
A well-designed extension can give you the space you need without the stress of moving.
Whether you’re adding a new bedroom, extending your living area, or building up, McGuinness Building delivers thoughtful, high-quality extensions that blend in with your existing home.

Types Of Extensions We Build
Ground Floor Extensions
Add extra space out the back or side for bedrooms, living areas, or larger kitchens.
Perfect for growing families.
Second Storey Additions
Build up instead of out with a second level that adds value and makes better use of your block.
Alfresco And Outdoor Living
Create the perfect indoor-outdoor flow with covered decks, outdoor kitchens, and seamless entertaining areas.
Check out Coastal Luxe Patios for help transforming your outdoor space
Granny Flats And Studios
Separate spaces for family, work, or guests. Designed to suit your block and meet local regulations.
If your home isn’t quite keeping up with your lifestyle, we’ll help you expand it with care and quality.
Let’s Make Room For More
Organise an Obligation Free Quote Today!
Why Extend With McGuinness Building..
Smart, functional designs that work for your layout
Professional guidance on planning and approvals
Seamless workmanship that ties in with your home
Local experience and practical solutions
Clear timelines and no unnecessary hold-ups
















FAQs for Extending Your Home
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Yes — we take care to match materials, finishes, and lines so everything blends in properly.
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We can work with your plans or help organise design support if you’re starting from scratch.
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In most cases, yes. We’ll help guide you through what’s needed and manage the process with you.
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Usually, yes. We’ll plan the works to minimise disruptions and talk through your options clearly.
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Timeframes vary based on size and complexity, but we’ll give you a schedule and keep things on track.