Grant Stewart Building (GSB) is an award-winning, family-owned Registered Master Builder based in the Waikato, delivering exceptional residential construction services since 2008.

With a reputation built on quality workmanship, attention to detail, and outstanding customer service, GSB specialises in new homes, renovations, alterations, and home extensions. Their experienced team of qualified builders works closely with clients throughout every stage of the building process, ensuring projects are delivered to the highest standard while maintaining clear communication from concept to completion.

Using the innovative Co-Construct project management platform, clients can conveniently track construction progress, view up-to-date photos, and monitor budgets throughout their build, creating a transparent and collaborative building experience.

Grant Stewart Building has earned recognition at both the regional and national Registered Master Builders House of the Year Awards, reflecting the company’s commitment to excellence in residential construction. Through strong relationships with trusted local trades and suppliers across the Waikato, GSB consistently delivers homes that combine quality craftsmanship, functionality, and lasting value.

Whether you’re building your dream home, extending your living space, or transforming an existing property, Grant Stewart Building offers the experience, professionalism, and expertise to bring your vision to life.

Visit Our Website