C & S Building Pty Ltd

House Extensions in the Northern Rivers

Licensed Northern Rivers builders specialising in quality new builds and renovations with personalised service, reliable materials and strong attention to detail.

Home Extensions

Add Space Without the Stress

Gaining extra room should feel exciting, not overwhelming, and a well-designed house extension can significantly enhance your day-to-day living. At C & S Building Pty Ltd, we help Northern Rivers homeowners create extensions that feel natural, comfortable and properly connected to the rest of the home. Whether you want a bigger living area, an extra bedroom, a more open kitchen space or simply better flow, we keep everything straightforward and easy to understand from the start. With over 25 years of experience working in the region, we understand how to design and build extensions that seamlessly blend in.


We keep communication relaxed and consistent, working with you and your designer to make sure the new layout suits your lifestyle and long-term plans. From early planning through to finishing touches, the goal is simple: add space that feels right and fits seamlessly. If you are ready to chat about a house extension in the Northern Rivers, call C & S Building Pty Ltd on 0415 661 127.

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Frequently Asked Questions

How do I know if an extension will work for my home?

Do house extensions need council approval?

What types of house extensions do people build most often?

Our Approach

More Space, Less Hassle

A great extension does more than add square metres. It makes your home easier to use, more comfortable to live in and better suited to the way your family actually functions. Extensions can include extra bedrooms, living spaces, kitchen expansions, second-storey additions or even new indoor-to-outdoor transitions. Every project is planned with practicality in mind, so the new area feels connected, balanced and easy to use.


Along the way, we guide you through layout ideas, structural considerations and the best way to tie old and new together. Whether you want more breathing room, better flow, or a space with a clear purpose, we help shape the extension so it works day-to-day, not just on paper. When you are ready to explore what could be possible for your home, reach out and we can talk through your ideas.