Expert Quantity Surveying Services
Delivering cost certainty and expert project support for over 30 years!
Accurate, Reliable & Professional
Operating in Central Otago, NZ, and the wider Lower South Island, Ballantyne Quantity Surveying Services provides independent, expert advice in quantity surveying, cost management, and project coordination. Owned and operated by Andrew Ballantyne, a registered quantity surveyor with over three decades of experience, we work with homeowners, developers, builders, councils, and businesses to deliver successful, financially sound construction outcomes. From residential homes and commercial buildings to infrastructure projects and agricultural developments, our clients trust us for honest reporting, detailed cost estimates, and practical project guidance — from the early planning stages to completion.
Our QS Services
At Ballantyne Quantity Surveying Services, we offer a full range of quantity surveying and project management services to support your build from concept to completion.
Bank Drawdown & Cost to Complete Reporting
Independent reports for lenders and clients to ensure financial progress aligns with work completed.
Construction Cost Studies & Estimates
From concept budgets to detailed trade breakdowns — know your costs before you build.
Feasibility Studies
Clear advice on project viability, costs, and risks.
Cash Flow Forecasting & Reporting
Accurate forecasting to help manage your budget throughout the project lifecycle.
Tender Management & Analysis
Preparation of tender packages, bid evaluation, and contract negotiation support.
Extension of Time Claims Review
Independent assessment of delay claims to support fair and informed decisions.
Final Account Review & Negotiation
Ensure projects are financially wrapped up with clarity and fairness.
Critical Path Programming
Practical, realistic project timelines to guide your construction process.
Scope of Work Development
Clear documentation and definitions to support successful procurement and delivery.
Project Management
Coordination of contractors, consultants, consents, and construction processes.
Meet Andrew Ballantyne
Andrew brings more than 30 years’ experience as a quantity surveyor, project controls engineer, and project manager — working in New Zealand, Australia, and the Asia-Pacific region. His career spans:
Large-scale mining and infrastructure projects with Bechtel Asia Pacific
Local education, hospitality, commercial and government buildings
Specialist design-and-build packages, including warehouse and stormwater infrastructure
Experience across residential, heritage, agricultural, and industrial sectors
Andrew’s practical, no-nonsense approach ensures that your project is managed with professionalism, precision, and care — no matter the size or complexity.

Industry Experience
Ballantyne Quantity Surveying Services has successfully supported projects in a wide range of industries.
Residential Construction
Commercial & Retail Developments
Agricultural & Rural Infrastructure
Airports & Civil Upgrades
Hospitality & Accommodation
Heritage Restorations
Government & Education Facilities
Why Choose Us?
Registered Quantity Surveyor
Qualified, experienced, and recognised by the industry.
30+ Years of Experience
A proven track record across New Zealand and Australia.
Independent & Transparent
Clear, unbiased advice that supports your financial and project goals.
End-to-End Service
From cost planning to project completion — one point of contact you can rely on.
Let’s Talk About Your Next Project
Whether you’re at the concept stage or midway through a build, Ballantyne Quantity Surveying Services can provide the clarity, structure, and professional support you need to move forward with confidence.