Byron Hinterland Building

Granny Flat Builder—Northern Rivers

Whether you have a specific design in mind, or want to benefit from our expert input, we will ensure you’re happy with the final results. 


If you’re looking for efficient, reliable, and affordable granny flat builders in the Northern Rivers, call Byron Hinterland Building today. We also provide new home construction, renovation, house restumping, and excavation work. 

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Building & Extension Services

If you’re thinking of adding a granny flat to your property, or extending your existing one, be sure to call Byron Hinterland Building. We can build granny flats completely from scratch using quality materials. What’s more, our team can extend your house by connecting it to an existing granny flat – increasing property appearance and value in the process. 


When you choose our Byron granny flat builders, you can count on receiving an exemplary service. We are able to work with eco-friendly materials as well as up-to-date power tools. 

Frequently Asked Questions

  • What are the advantages of having a granny flat?

    In addition to adding more space to your property, a granny flat can readily be used as an office, guest residence, or storage area. What’s more, granny flats can be rented out to tenants. 

  • How long does it take to build a granny flat from scratch?

    This can vary extensively, depending on the scale of the project and the area in which the property is situated. In general, the planning and approval process takes 8 to 12 weeks. The actual construction, on average, can take 3 to 4 months. It is advisable to check with your builder to gain a more accurate estimate for your specific requirements.

  • Is it possible to build a 2-storey granny flat?

    Yes. However, it is important to confirm with your local council before commencing the project, as restrictions may apply.

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Building Services Overview

Our Northern Rivers construction experts provide:


  • Outstanding granny flat construction services, completed to meet your unique aesthetic preferences & budget
  • Comprehensive granny flat renovations – we can subcontract painters as required
  • Extension services – we can connect your home to your granny flat
  • Conversion services – we can transform an existing structure into a granny flat


To find out more, or request a free quote, get in touch with us today. 

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