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.
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