New Zealand Commercial Project 2020 award winners

For over 60 years, BJ Carter has been the trusted name in quality architectural builds across Southland, delivering everything from luxurious homes to custom joinery, farm buildings, commercial spaces, and restorations.


Envirowool, a subsidiary of BJ Carter, offers sustainable insulation solutions for ceiling, under-floor, and wall insulation, all without the need for costly renovations. Our 100% natural wool ceiling insulation keeps your home comfortable, eco-friendly, non-allergenic, flame-resistant, and soundproof.


With the added benefit of BJ Carter being an Insulmax licensee, we also provide a unique retrofit system to insulate existing walls, ensuring energy efficiency without removing wall linings. Our tailored, hassle-free solutions ensure that your home’s structure and integrity are preserved while enhancing its energy performance.

Whether you’re building new or retrofitting an existing space, our three companies work together to provide seamless, expert solutions for your home and business needs.