Create the Ideal Granny Flat on the Central Coast

Practical & Durable Granny Flats

Designer Building creates high-quality, beautifully finished granny flats tailored to your block and your vision. You’re welcome to bring your own plans and ideas, or our team can design a custom solution that suits your site and lifestyle.

Our detailed reports identify any potential site challenges, outline recommended solutions and provide a clear, itemised project scope and quotation. We take the time to tailor these reports to your specific needs, ensuring you have a complete understanding of the required works and associated costs.

Based on the Central Coast, we proudly service clients across Lake Macquarie, Erina, Wyong, Budgewoi and surrounding areas. Our end-to-end process includes planning, approvals, construction and all final finishing touches, ensuring a smooth and stress-free experience from concept to completion.

With an emphasis on quality craftsmanship, practical layouts and thoughtful design, we build granny flats that maximise functionality and add long-term value to your property.

Contact us on (02) 4072 1470 to begin your granny flat project.

Functional & Built to Last

At Designer Building, we understand that a granny flat must be functional, durable and comfortable, whether it’s designed for family living, guest accommodation or rental income.

That’s why we use quality materials, proven construction methods and skilled craftsmanship in every build. Our team manages the entire process, including site preparation, engineering, council approvals and construction, so you can enjoy a streamlined experience without the stress of coordinating multiple contractors.

Whether you’re seeking a contemporary design, a more traditional layout or a customised arrangement tailored to specific needs, we work closely with you to create the perfect solution. From self-contained living spaces and extra bedrooms to flexible floor plans that maximise usability, our granny flats are designed to adapt to your lifestyle.

We ensure your new flat blends seamlessly with your existing property while delivering the space, comfort and versatility you require.



Let us help you enhance your home with a well-designed granny flat built for long-term enjoyment and value.