Want To Know More About SJ?

SJ Estimating House is New Zealand & Australia’s most trusted and experienced construction cost estimating firm, delivering precise, fast, and professional quantity takeoffs and project cost breakdowns for builders, developers, architects, and building merchants.
With over 8 years of proven industry experience, we have become the go-to estimation partner for residential, commercial, and industrial construction projects across New Zealand. Our team of qualified estimators and construction professionals use advanced estimating software and up-to-date NZ building rates to provide highly accurate, reliable, and transparent cost estimates that help our clients make informed decisions from concept to completion.

Building Merchant Collaboration

Specialised Support for Builders & Developers

Cloud-Based Project Handling

Accurate Construction Cost Estimating Services

FAQ

Frequently Asked Questions

What types of construction projects do you provide estimates for?

We provide cost estimates for residential, commercial, renovation, and multi-unit developments across New Zealand & Australia. Whether you’re a builder, developer, or homeowner, we tailor estimates to your project scope.

How quickly can I receive my construction estimate?

Most estimates are delivered within 24 to 48 hours, depending on project size. We prioritise speed with accuracy to keep your project moving forward.

What makes SJ Estimating House different from other estimating firms?

We offer Australia & New Zealand-specific cost accuracy, advanced software-driven takeoffs, fast turnaround, and deep experience working with building merchants and developers, making us a trusted name in NZ construction.

Blog