Home Extensions

Custom-Built House Extensions in Shellharbour

Expand Your Horizons

At B Smart Building & Design, we focus on creating homes that perfectly suit your lifestyle and taste. Our house extensions ensure that every detail reflects your unique preferences and needs.


Our expert team specialises in modern and traditional house extension designs, ensuring every aspect meets the highest standards. With a detail-oriented approach and superior craftsmanship, we handle complex projects seamlessly.


You’ll have one dedicated point of contact from start to finish, guaranteeing simplicity and an exceptional customer experience.


In addition to our house extensions, we provide a wide range of services, including home renovations, bathroom renovations, decks and pergolas, outdoor areas, structural renovations and structural landscaping.


We are committed to transforming your home into the perfect space you’ve always dreamed of, serving Shellharbour, Figtree, Balgownie, Gerringong and Wollongong.


Call us today on 0431 211 680 for a quote and to embark on your home extension journey, transforming your living space.

Get a Quote
Extension to a new house — B Smart Building & Design In Shellharbour, NSW
Playroom extension — B Smart Building & Design In Shellharbour, NSW

Experience Tailored Expansion

At B Smart Building & Design, we see a home extension as a canvas for your aspirations. Our service is not just about building outwards but also upwards in quality and functionality.


Here’s what our tailored home extensions include:


  • Detailed Design Consultation: We sit down with you to understand your vision and how to best integrate it with your existing home’s character.
  • Customised Solutions: Whether you prefer a sleek modern look or a classic traditional feel, our expertise covers all grounds.
  • Transparent Process: Enjoy peace of mind with a single point of contact, ensuring a seamless experience from conception to completion.
  • Intricate Challenges Mastered: No project is too complex for our team. We thrive on transforming challenging spaces into stunning extensions.
  • Commitment to Excellence: Your extension will testify to our unwavering dedication to quality and attentiveness to the finer details.


Ready to extend your home and your horizons? Contact B Smart Building & Design today for a quote or to learn more. Let’s bring your vision to life with a space that’s uniquely yours.

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Project Gallery

A Room With A Wooden Floor And A Window Under Construction — B Smart Building & Design In Shellharbour, NSW

Nature's Symphony
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