Callum Brings 16+ Years of Experience as a Dunedin Builder

Built for Performance, Comfort, and Longevity

Every project is designed and delivered with long-term performance in mind. We don’t just build homes — we build spaces that are made to last and perform in New Zealand conditions.

Our approach focuses on:

  • Energy-efficient building methods

  • Warm, healthy homes designed for year-round comfort

  • Strong, durable construction built for longevity

  • Modern design with practical liveability

  • High-quality workmanship from start to finish

Led by Callum – 16+ Years of Building Experience

Led by Callum, the business is grounded in over 16 years of experience across the construction industry. His background combines technical knowledge with real-world building expertise.

Industry Experience You Can Trust

Callum’s experience includes:

  • Frame and truss manufacturing in his early career

  • Sales with one of New Zealand’s largest building supply companies

  • Over a decade of hands-on residential building

  • Extensive knowledge of construction systems and materials

Practical Skill Meets Technical Knowledge

Callum combines technical understanding with hands-on building experience to deliver homes that are thoughtfully constructed, efficient, and built to perform.

Callum James Flaws - Owner, builder and director at Callum Flaws Construction. Dunedin, NZ

Ready to Build or Planning a Project?

We’d love to hear from you.

Whether you’re planning a high-performing new home or a residential build in Dunedin, get in touch to discuss how we can help bring your vision to life.

Call, email, or complete the form below and we’ll get back to you as soon as possible.

Work With Us
Passive house principles, high performing, warm and dry. Close-up look at the corner of a modern house with green siding, white trim, and a large multi-pane window, with a clear sky in the background. Solar power.
Passive house principles, high performing, warm and dry. View of a modern house exterior at night, showing a sliding glass door opening into a brightly lit living room with wooden flooring and furniture. Timber cladding
Modern kitchen with a white island, three wooden bar stools with black metal legs, a gold faucet, a white backsplash, and decorative plants in vases. A black ceiling light fixture is visible.
Modern bathroom with a round mirror illuminated by LED backlight, a white vessel sink, and a gold faucet. A small vase with decorative feathers sits on the countertop.
Recycled rimu. Passive house principles, high performing, warm and dry. Close-up of a stair handrail made of light wood attached to a white wall with black metal brackets, and a white light switch on the wall to the upper left.
Close-up of an outdoor entry door painted in coral color with a vertical black handle and a keyhole. The door is framed by white trim, and a glass side panel is partially visible on the left. The exterior siding of the house features green horizontal
Brightly lit kitchen with skylights, Windows, hardwood floors, and colorful stained glass window. Passive house principles, high performing, warm and dry. Solar power.
Modern bathroom with teal-tiled shower, dark vanity with vessel sink, large mirror, and freestanding bathtub.
Bathroom with pink tiled shower and wall, white vanity with two oval vessel sinks and bronze fixtures, round mirror, glass shower door, patterned floor tiles, and small window.