Professional cost management, project leadership, and construction education — delivered by a multidisciplinary team across New Zealand.
"Accuracy at every stage — from first concept to final account."
We support homeowners, builders, developers, and investors with expert quantity surveying, project management, and practical tools that make construction work better.
From early feasibility through to final account — our multidisciplinary team covers all the bases.
Accurate estimates and bills of quantities aligned to ANZSMM and NZS 3910.
Learn more →Development feasibility and concept costing before you commit capital.
Learn more →Scope, programme, cost and risk management from initiation to completion.
Learn more →NZS 3910 contract management, claims, variations, and final accounts.
Learn more →Forensic costing and expert QS for weathertight & seismic claims.
Learn more →Downloadable calculators and tutorials designed by practising quantity surveyors. No fluff — just professional tools that save you time and sharpen your work. Available through QS4NZ.co.nz.
Residential & commercial cost benchmarking calculator
Full development cost model with sensitivity analysis
13 practical guides covering contract admin, claims & disputes
Examples of the type of work we can assist with across residential, commercial, and remediation projects in New Zealand.
Illustrative project type: multi-unit weathertight remediation, cladding replacement, balcony waterproofing, and contract administration support.
Illustrative project type: light industrial and office development requiring cost planning, procurement input, and project support.
Illustrative project type: residential units with ground-floor retail, staged cost planning, feasibility review, and contract input.
Illustrative project type: subdivision works, infrastructure, and house-and-land cost reporting.
Clear scopes, practical cost advice, and straightforward communication from first enquiry through to delivery.
Tools and tutorials are aimed at real-world NZ construction work, with plain-English guidance and usable spreadsheet formats.
Where project-specific evidence, qualifications, or case studies are needed, they should be confirmed directly for the engagement rather than implied on the website.
Whether you need a preliminary cost estimate, full project management, or contract administration support — our team is ready.
Full-spectrum construction consultancy — cost management, project leadership, and contract expertise across New Zealand.
Every estimate we produce is rigorously checked against current market rates and follows ANZSMM measurement methodology. Figures that hold up under scrutiny — whether you're presenting to a bank, entering a contract, or heading to tribunal.
Whether you're assessing a greenfield subdivision, a mixed-use development, or a complex remediation — our feasibility service provides the financial rigour your decision deserves.
| Project Type | Typical Cost Range |
|---|---|
| Residential New Build | $1.2M – $4M+ |
| Multi-Unit Development | $5M – $30M+ |
| Commercial Fit-Out | $750K – $8M |
| Weathertight Remediation | $3M – $20M+ |
Our project support is grounded in practical construction understanding, with a focus on scope, programme, coordination, and early issue identification.
Acting as an impartial contract administrator under NZS 3910, we protect the interests of the project — not just one party. Our documented process reduces disputes and keeps payment transparent.
We can assist with remediation and insurance-related cost reporting, subject to the scope of the engagement and the requirements of the matter.
Contact us with your project details. We respond within one business day with a no-obligation scope discussion.
We define the scope of work clearly and provide a transparent fee proposal — no hidden costs.
We get to work — delivering reports, estimates, and advice on time and to the standard you need.
Available throughout your project for queries, updates, and additional services as the build evolves.
Whether you need a quick concept estimate or ongoing QS and PM support from feasibility to final account — reach out and let's have a conversation.
Downloadable calculators and practical tutorials. Click any product to view full details and purchase on QS4NZ.co.nz.
5 professional calculators and 13 NZS 3910 tutorials — everything you need to work faster, smarter, and more confidently on any NZ construction project. All products sold directly through QS4NZ.co.nz with instant download.
Browse All Products on QS4NZ.co.nzPurpose-built spreadsheet calculators designed by experienced QS professionals. Download, open in Excel or Google Sheets, and start using right away. One-time purchase — yours for life.
A comprehensive reference tool covering NZ construction labour rates and productivity constants for accurate cost estimating across all trades.
A powerful companion tool for estimating building costs across residential and commercial projects — ideal for budgeting, feasibility, and pricing checks.
Calculate professional and consultant fees accurately for any project type. Covers architects, engineers, QS, PM, and other consultant fee structures used in NZ.
Estimate NZ council building consent fees and levies for your project. Covers building consent, development contributions, and BRANZ/MBIE levies.
Comprehensive development feasibility spreadsheet. Input land, build cost, fees, and finance costs — instantly see your margin, ROE, and break-even points.
Practical downloadable tutorials built for builders, renovators, homeowners and building professionals. Created by an experienced QS — one-time purchase, no subscriptions. Reference guides from NZ$49; high-stakes contract and claims guides NZ$69.
A straight-talk guide to how Architects' and Engineers' Instructions (AI/EI) work under New Zealand's NZS 3910 framework. Essential for contractors and QS professionals.
Understand how to present and defend delay claims under NZS 3910. A practical guide to time claims, programme analysis, and contract notice requirements.
Plain-English breakdown of the Construction Contracts Act 2002. Covers payment schedules, adjudication, and the essential steps to protect your rights under the CCA.
A practical guide to identifying, challenging, and resolving unfair or incorrect deductions made from progress payment claims under NZS 3910.
Learn how to prepare, price, and manage contract variations properly. Covers valuation methods, variation accounts, and best practice under NZS 3910.
A comprehensive quality control and assurance checklist for construction projects. Ensure work meets specification and contractual requirements at every stage.
A practical step-by-step guide to making valid Extension of Time (EOT) claims under NZS 3910. Know your rights, the process, and how to protect your programme.
Learn how to identify, quantify, and present claims for disruption and loss of productivity on construction projects under NZS 3910.
A comprehensive guide to managing contract price adjustments and variations under NZS 3910, including fluctuation clauses and rise-and-fall provisions.
A practical guide to navigating construction disputes under NZS 3910. Covers mediation, expert determination, arbitration, and adjudication pathways.
Know exactly how to enforce payment obligations under both NZS 3910 and the Construction Contracts Act 2002. Protect your cash flow and your rights.
Understand the legal and contractual steps involved in frustration, contractor default, and termination under NZS 3910 — with clear guidance on rights and obligations.
A clear guide to the defects liability period under NZS 3910 — what it means for contractors and principals, obligations, remediation, and final sign-off.
Products are sold via QS4NZ.co.nz. Delivery and account access follow the checkout system used on that site for the relevant product.
All calculators and templates are provided as .xlsx files, compatible with Microsoft Excel 2016 and later, as well as Google Sheets. Tutorial guides are provided in PDF format.
Absolutely — each tool includes clear instructions and most calculators include voice-over walkthroughs. You don't need to be a spreadsheet expert. They're designed for builders, renovators, and project managers, not just QS professionals.
Due to the digital nature of our products, all sales are final. However, if you experience a technical issue or the file is defective, we'll resolve it immediately — just contact us within 7 days of purchase.
Yes — each licence covers all your own projects for personal use. You may not resell or redistribute the files. For team or studio licences, please contact us directly.
Our tools cover the common scenarios — but if you need personalised cost management support, our team is ready to help.
A multidisciplinary team of seasoned construction professionals — delivering precision cost management, project leadership, and industry education across New Zealand.
Quantity Surveyors NZ Ltd (QS4NZ) was founded on a single belief: that New Zealand's construction industry deserves access to the very best cost management expertise — whether you're an owner-builder navigating your first project, a developer managing a complex remediation, or a contractor protecting your margins under a tight contract.
Our team brings together a rare depth of disciplines under one roof. Alongside our highly qualified Quantity Surveyors, we draw on in-house Project Managers, Licensed Building Practitioners, Construction Management Specialists, and seasoned Educators — giving our clients a truly integrated advisory service.
We've worked on everything from multi-million dollar leaky building remediations and commercial fit-outs, to subdivision developments and residential new builds. That breadth of experience informs every estimate, every report, and every piece of advice we deliver.
Every project benefits from our multidisciplinary bench. We don't bring in one specialist — we bring the whole team, so the right expertise is always at hand.
Practical estimating, feasibility studies, cost plans, progress claims, final accounts, and NZS 3910-related support for New Zealand projects.
Experienced PMs who manage scope, programme, cost, risk, and stakeholder relationships — keeping projects on track from initiation through to practical completion.
Our Licensed Building Practitioners bring hands-on site knowledge that sharpens every estimate — understanding what work actually costs in the real world, not just on paper.
We develop and deliver practical tutorials, tools, and resources to upskill the next generation of construction professionals — and support those already in the field.
Specialists in programme planning, contract administration, subcontractor management, and delivering complex builds efficiently within time and cost parameters.
From multi-million dollar weathertight remediations requiring expert forensic costing, to commercial developments, hospitality fit-outs, and residential builds — our portfolio spans the full construction spectrum.
Project values and descriptions are indicative of the types and scale of work we can assist with. Client and project names are withheld for commercial confidentiality.
North Island · 48-unit complex, full cladding replacement, balcony waterproofing, internal reinstatement. Contracted under NZS 3910.
North Island · Full envelope remediation of a 22-townhouse complex. Forensic costing, insurance reporting, and expert witness support for tribunal proceedings.
North Island · Five-unit light industrial and office development. Full QS and PM services from feasibility through to final account.
North Island · High-spec restaurant and bar fit-out. Specialist procurement, variation management, and progress payment certification.
North Island · 12 residential units and ground-floor retail, 24-month build programme. Full development feasibility, QS and PM services.
North Island · Three-storey architectural home. Concept costing, tender documentation, contract administration, and final account.
South Island · Civil works, infrastructure, and house-and-land packages. Development feasibility, procurement strategy, and QS cost reporting.
South Island · Insurance-funded structural and cosmetic reinstatement to a 32-unit block. Expert QS cost reporting and EQC liaison services.
North Island · Full strip-out and Category A/B fit-out of a 4-storey commercial building. Detailed cost planning, tender management, and contract administration.
South Island · Six-unit terrace development under an affordable housing programme. Full QS, development budget management, and bank reporting.
Every figure we produce is rigorously checked. We follow ANZSMM and NZS 3910 frameworks and stand behind our numbers.
We tell clients what they need to hear, not what they want to hear. Clear, jargon-free advice protects projects and relationships.
Our multidisciplinary team means you don't need to engage multiple consultants — QS, PM, building, and education under one roof.
We believe in sharing knowledge. Our tools, tutorials, and training resources help the whole industry raise its standard.
With experience across Auckland, Wellington, Christchurch, and regional New Zealand, we understand local market conditions and regulations.
Whether you need a preliminary cost estimate, full project management, or guidance navigating a complex contract — our team is ready to help.
Whether you're planning a new build, need a cost estimate, or want to discuss contract administration — no obligation, plain-English advice.
Fill in the form and one of our team will respond within one business day. For urgent enquiries, use the contact details below.
Tell us about your project and we'll get back to you promptly.
We respond to every enquiry promptly — no chasing, no waiting weeks for a callback.
Clear fee proposal upfront — no hidden costs, no surprises mid-project.
QS, PM, LBP, and educators under one roof — the right expertise at every stage.
Auckland, Wellington, Christchurch, and regional NZ — we know local market conditions.
Professional-grade calculators and tutorials from as little as NZ$49, available instantly via QS4NZ.co.nz.