Key Cost Categories
Theta QS Ltd is an independent cost advisory and quantity surveying practice providing strategic commercial guidance across New Zealand's construction and insurance sectors.
We help clients identify hidden risks, validate costs, challenge assumptions, and make informed decisions before financial exposure becomes a problem. By combining rigorous analysis with practical construction expertise, we provide the clarity and confidence needed to protect project value and improve commercial outcomes.
Our independence means our advice is driven by evidence, not influence—ensuring every recommendation is aligned with our client's interests and long-term success.
Key Cost Categories
We offer a range of specialized services tailored to meet your individual needs. Our approach is focused on understanding and responding to what you require, providing effective and practical solutions.
Preliminaries
Site setup and consents onsite overheads
Earthworks and Civil
Excavation and drainage
Building Structure
Foundations and framing
Services and Fit-out
Fit-out, plumbing and electrical
Finishes
Internal, plasterboard, door hardware, special finishes and external finishes
Contingency and Risk
Allowance for uncertainty
Theta QS Ltd Independent Cost Advisory
Before committing capital, make sure the numbers work.
Theta QS Ltd provides independent quantity surveying and feasibility advisory services that help clients evaluate opportunities, challenge assumptions, and understand financial risk before construction begins.
Working with homeowners, architects, builders, and developers, we deliver objective cost advice, project feasibility assessments, and commercial insight that supports confident decision-making and protects project value.
Our role is simple: provide independent advice that helps clients make better decisions and avoid expensive mistakes.
Professional services
Theta QS Ltd provides independent cost advisory, quantity surveying, and commercial review services that help clients understand financial exposure, challenge assumptions, and make better-informed decisions.
Working across the construction, property, and insurance sectors, we deliver objective analysis that identifies risk, validates costs, and protects project value. Our role is to provide the commercial certainty and independent insight required to support successful outcomes and safeguard investment.
What we do
Construction Cost Management Across Multiple Trades
At Theta QS Ltd, we provide accurate independent cost advisory, and cost management services across a wide range of construction disciplines. Our detailed measurement and pricing processes help builders, developers, insurers, and property owners gain greater cost certainty, reduce risk, and make informed commercial decisions.
General Construction
We deliver comprehensive cost planning, estimating, and commercial review services for residential, commercial, and insurance-related projects. Our detailed assessments assist clients in understanding project costs, identifying risks, and maintaining budget control throughout the construction lifecycle.
Concrete & Civil Works
Our team accurately measures and assesses concrete elements including foundations, footings, slabs, retaining structures, and associated civil works. We provide detailed quantity take-offs and cost analysis to support tendering, budgeting, and project delivery.
Drywall & Interior Linings
With extensive experience in drywall and interior systems, we provide precise measurement of walls, ceilings, partitions, and associated finishes. Our detailed estimates consider materials, labour, access requirements, and project-specific complexities to improve cost certainty.
Electrical Services
We prepare detailed quantity assessments and cost estimates for electrical installations, including power, lighting, communications, and specialist systems. Our approach ensures all key components are accurately captured and evaluated.
Flooring & Finishes
From carpet and vinyl through to timber, tile, and specialist floor finishes, we provide comprehensive quantity take-offs and cost assessments that support accurate pricing and procurement decisions.
Framing & Structural Components
We accurately measure and quantify timber and steel framing systems, structural components, hardware, and associated labour requirements. Our detailed reviews help identify cost drivers and improve estimating accuracy.
HVAC & Mechanical Services
Our cost management services cover heating, ventilation, air conditioning, and mechanical systems. We provide detailed quantity assessments and cost reviews to support budgeting, tender evaluation, and project planning.
Landscaping & External Works
We assess quantities and costs for landscaping, paving, retaining walls, drainage, fencing, planting, and other external works. Our detailed analysis assists clients in achieving realistic budgets and reducing unforeseen costs.
Painting & Protective Coatings
We provide accurate measurement and costing of painting and coating systems across residential, commercial, and insurance projects. Surface areas, preparation requirements, access considerations, and specification requirements are carefully evaluated.
Plumbing & Hydraulic Services
Our quantity surveying services include detailed assessment of plumbing, drainage, water supply, sanitary fixtures, and hydraulic infrastructure. We help clients achieve reliable cost forecasts and informed procurement decisions.
Why Theta QS Ltd?
- Independent Quantity Surveying Advice
- Detailed Cost Planning & Estimating
- Insurance Reinstatement Cost Assessments
- Commercial Reviews & Risk Analysis
- Residential, Commercial & Insurance Expertise
- New Zealand Construction Industry Knowledge
- Transparent Reporting & Cost Certainty
At Theta QS Ltd, our focus is simple: provide accurate, independent, and practical cost advice that helps clients make confident decisions and achieve successful project outcomes.