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Granny Flat Designs

Whether you are an owner occupier or investor, our modern granny flat designs can generate passive income while raising the value of your property. Compact in design, granny flats can serve as a guesthouse to accommodate friends and family without compromising space in your newly built home.

If you’re looking to knockdown rebuild on your existing block or buy land with the intent to build a house and granny, we can help design an adjoining or freestanding granny flat as part of your new home build. We have extensive experience building quality granny flats in greater Sydney for owner occupiers and first home buyers as well as investors and property developers.

With full consideration of any local government council requirements and State Environmental Planning Policy, Worthington are there throughout all stages of the build. At the end, you get a high-quality new home with a fully self-contained granny flat that is both contemporary and comfortable.

All house and granny flat designs come with a BASIX certificate and are built to Building Sustainability Index (BASIX) requirements, which apply to all residential construction developments in NSW. What this means is your house and granny flat will be built with optimum water saving, energy efficiency and thermal comfort for variance in climate.

Your new home can also be constructed to be ‘smart home’ ready, which means it can be easily integrated with automated technology systems that allow control over lighting, room temperature, TV/AV connectivity, security and solar power via a smartphone.

We are always adding new granny flat designs to our existing range of home designs, so talk to us today about a spacious floor plan for granny flats to suit your needs.

Granny flat designs are only available when built in conjunction with a new home. We do not build granny flats on their own.

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  • 2
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Car Spaces
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  • Single
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Minimum block width (m)
Total house size (m²)



You wouldn't buy a new car without wheels, so why build a new home without inclusions?

Built with durability, style and comfort in mind, our new homes all come standard with high-quality inclusions that come standard.

When you build with Worthington, there are no surprises along the way.

Looking for something a little different?

The opportunities are endless when it comes to designing a home.
Ask us how we can tailor your house and floor plan to your needs.


Upgrade your kitchen


Convert powder room to ensuite


Add a study or home office


Add an extra living space


Add more bedrooms


Double or triple garage


Install a fireplace


Upgrade your alfresco


Security system

With you every step of the way

At Worthington Homes, we want your biggest investment to be a happy and positive experience. Plus, we build beautiful new homes that make a lasting impression.

Value for money

Quality workmanship

Open communication