Canterbury’s Trusted
Quantity Surveyors
No Surprises, Just Solid Support
Fast.Trade-Specific.Accurate.
We Work Like Part of Your Team So
You Can Quote Faster and Win More Tenders.
Professional Quantity Surveying Services in Canterbury
At Big Estimate, we offer straight-up, reliable Quantity Surveying services for Canterbury homeowners, builders, and small developers. Whether you’re planning a new home, extension, or renovation, we help you understand the real costs before building begins — so you can make smart, informed decisions.
We don’t just throw numbers on a page. We provide clear, accurate take-offs, BOQs, and cost breakdowns tailored to your project, your site, and your budget. Our reports are easy to follow, ready for the bank or council, and backed by a team that knows the Canterbury construction scene inside and out.
No delays, no guesswork, just solid QS support that helps you build with confidence.
Trade-Specific QS Across Canterbury
We provide tailored takeoffs and cost estimates across key construction trades — all structured for local NZ pricing and Canterbury council needs.
Roofing
Masonry
Painting
Tiling
Insulation
Concrete
Suspended Ceilings
Anti-Graffiti Coating
Landscaping
Plasterboard Measurements
Glazed Partitions
Carpentry
How We Work With You
A simple, transparent workflow designed to keep things moving.
Upload Your Project Plans
Send us your architectural or construction drawings via Dropbox or Google Drive — or email them to [email protected].
We Review and Quote
We’ll assess the project scope and reply with a fixed quote and delivery timeline — so you know what to expect up front.
Work Starts on Approval
Once approved, your project is assigned to a dedicated estimator who begins the measurement and QS process.
Double-Checked by a Senior QS
Every report is peer-reviewed by a senior estimator to ensure quantity accuracy and format quality.
Delivered via Your Portal
You’ll receive a secure link to your Big Estimate portal where you can download reports and make payment.
Ask Questions Anytime
Need clarification? Reach out by email or phone — we’re here to support you throughout the build.
The Big Estimate Difference
Why Builders, Contractors & Suppliers Across Canterbury Trust Our Estimation Process
Trusted by trade teams across NZ since 2017, Big Estimate brings hands-on QS experience, purpose-built processes, and NZ-specific estimation logic to every tender. We know how fast Canterbury projects move — and how costly misquotes can be. That’s why our QS reports are structured to meet real jobsite needs, not just paperwork.
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Let’s Work Together to Win and Grow
Whether you’re quoting a new roof, tendering for a large block project, or scaling your pipeline in Canterbury, we’ll help you stay accurate, move faster, and build with confidence.
Frequently Asked Questions (FAQs)
1. Do you follow NZ-specific formats in your estimates?
Yes, we use NZS4202 formatting when requested. All takeoffs and BOQs are structured to match how local builders, councils, and suppliers expect to receive them.
2. Can you estimate for residential and light commercial projects?
Absolutely. We work with builders, subcontractors, material suppliers and QS teams across both residential and light commercial scopes in Auckland.
3. What do I need to send to get a QS quote?
Just your architectural plans and any supporting documents. You can upload them via Dropbox or Google Drive, or email us directly.
4. How fast can I get my takeoff or BOQ?
Most estimates are delivered in 3–5 working days. If we need more time based on scope, we’ll confirm that up front.
5. Do you include pricing in the reports?
Yes, we can include material and labour pricing if needed. Just let us know your preference when you request the estimate.
6. Can I request changes after receiving the report?
Yes, we support plan revisions or scope changes. Just send us the updated drawing and we’ll revise your report accordingly.