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Chat with one of our experts in Sydney, Wollongong, Newcastle, or Central Coast about adding a granny flat to your Montgomery Homes package.

Modern Granny Flat Designs
Our contemporary granny flat designs add value, flexibility, and space to your new home. Designed to complement your main house, our granny flats will offer you and your family the freedom to generate additional income, accommodate out-of-town relatives and guests, create a home office, let your teenagers have some independence, and so much more.
From spacious open-plan designs to clever modern floorplans, we have a granny flat design to suit your family, budget and lifestyle.
View our design options and talk to our consultants about adding a granny flat to your Montgomery Homes package. Alternatively, learn more about the benefits of building a granny flat!
Granny flat designs to complement your main home
With 10 granny flat designs to choose from, our modern one and two bedroom options amplify your living features and maximise space without compromising on comfort. Building a granny flat alongside your new Montgomery Home will allow you to seamlessly attach a separate residence and ensure both structures are built with the same quality and attention to detail.
Each granny flat has two façade options — metro and retro — and contains all the essentials in a conveniently sized floor plan.


Steps to building your granny flat
If you’re looking to add some extra space to your new home build with us, a granny flat might be a great option for you to consider.
Adding a granny flat to your new home with a granny flat builder like Montgomery Homes can be completed in just 7 easy steps. The process starts with picking out your modern granny flat design, selecting your material and colours, and then moving in!
Granny Flat FAQ's
We understand building a granny flat can be a complex and confusing journey. That’s why we’ve compiled a list of frequently asked questions to help guide you.
tyler and lauren
First-time home buyers, Tyler and Lauren, invested in their forever home with a Montgomery Homes house and land package. They were looking for a home with a variety of living spaces to entertain friends and family, ample storage options, and plenty of natural light, which made the Southport 217 design a perfect choice for them.
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