Your Trusted Construction Cost Estimators

Delivering Comprehensive Construction Cost Estimating and Quantity Surveying for Building Projects

With a diverse team of experienced quantity surveyors and construction estimators, Duo Tax delivers expert cost management services across the project lifecycle. Whether you're planning a residential renovation, a commercial build, or a large-scale development, our professionals provide detailed cost estimates and quantity surveying services to ensure the success of your projects.

Affiliate members of the Australian Institute of Quantity Surveyors

Understanding Our Cost Estimation and Quantity Surveyor Services

Construction cost estimation predicts the actual costs of building projects through detailed analysis of labour rates, material costs, and task duration. Our estimators specialise in creating accurate cost predictions during the pre-construction and tender phases. 

 

Meanwhile, quantity surveying encompasses broader financial and contractual management throughout the entire project. Our quantity surveyors oversee cost planning, contract administration, risk management, and project financial control from start to finish. 

The Value of Professional Cost Management and Construction Cost Estimation 

 

Construction cost estimation and quantity surveying are critical aspects of project management that ensure accurate financial planning and control. Both aspects involve detailed cost analysis, with quantity surveyors providing broader financial oversight and contract administration beyond the initial estimation phase. 

 

Accurate construction cost estimation is an essential step for the success of any construction project. It helps in: 

  • Budgeting: A cost estimate facilitates budgeting and securing funding for the project. 
  • Decision making: It aids in making informed decisions regarding project feasibility and execution. 
  • Risk management: It helps identify potential financial risks and develop mitigation strategies. 

Duo Tax: Your Complete Cost Management Solution 

We deliver complete cost management solutions throughout your project’s lifecycle by combining construction cost estimation and quantity surveying expertise. Our team is experienced in providing more than just detailed cost estimates. 

Our Services

1-2 business days turnaround

Council Report - Section 94 Contribution

If you’re a developer about to start your next project, chances are you’ve come across the term “Section 94 Council Report” and wondered what it’s all about? This is an important document in the development sector and understanding it can make all the difference in your project’s success.
A Section 94 Cost Summary Report – or Section 7.11 Report for NSW residents – is a document that provides a detailed estimate of your development project costs. A development contributions plan overlay is often incorporated as a schedule to Section 94 in a planning scheme, and it outlines the requirements for the preparation and approval of a DCP as set out by the Planning and Environment Act and the Ministerial direction.
For: Developers & Architects
3-5 business days turnaround

Bill of Quantities: Detailed Cost Report

A Bill of Quantities offers a comprehensive breakdown of materials, parts, and labor required for a construction project. It acts as a guide, presenting a clear picture of the project's scope and the associated costs.
This detailed cost report is an essential tool in the construction process, whether you’re embarking on a civil contract or a home renovation.
For: Developers, Builders, Contractors & Architects
3-5 business days turnaround

Bank Reports: Initial Cost Report

The Initial Cost Report is a detailed cost breakdown of the project and identifies any risks associated with the proposed development before building work commences.
At Duo QS, we specialise in providing comprehensive and accurate QS cost reports, helping developers navigate the loan application process with confidence.
For: Developers & Lenders
3-5 business days turnaround

Bank Reports: Progress Claim Construction Report

A Progress Claim Report tracks how much has been paid to the builder while identifying how much the bank still needs to release.
For: Developers & Lenders
1-2 business days turnaround

Insurance Replacement Valuation Report

An Insurance Replacement Valuation is a report that assesses the accurate replacement cost of a building in the event of any loss or damage to the property.
This valuation process estimates the actual cost to rebuild the building at the time of the valuation, ensuring that you are adequately insured should an unfortunate event arise.
For: Developers, Insurance Brokers & Strata Committees
1-2 business days turnaround

Elemental Cost Plan: Preliminary Cost Report

Our Elemental Cost Plans provide a detailed cost analysis that takes into account all factors such as preliminary costs, construction costs, overheads, and profit.
Cost planning effectively helps achieve a realistic cost estimate from the contractor tender to the final order of cost.
For: Developers & Architects

Recent Projects

These are some of our recent projects that had their construction loan successfully approved with the help of our Duo QS Construction Estimators cost reports.

apartment in Reservoir

Credit Connect Group
$1.15M

house & granny flat in East Lindfield

Private Lender
$1.17M

townhouse in Bentleigh East

Westpac
$1.70M

house in Five Dock

Rams Home Loan
$1.32M

townhouse in Doncaster East

Rams Home Loan
$1.16M

townhouse in Doncaster East

Rams Home Loan
$1.49M

townhouse in Bentleigh East

Rams Home Loan
$1.09M

house in Wahroonga

Westpac
$4.49M

townhouse in Bass Hill

Rams Home Loan
$1.16M

townhouse in Carina

Rams Home Loan
$1.11M

duplex in Mount Waverly

Rams Home Loan
$1.40M

townhouse in Jannali

Westpac
$1.32M

townhouse in Dulwich Hill

Westpac
$1.23M

Why Choose Duo QS Construction Estimators for Your Next Building Project?

At Duo QS Construction Estimators, we understand that every building project is unique. That’s why we tailor our services to meet the specific needs of each project. We don’t just crunch numbers; we take the time to understand your project’s unique requirements and goals.

This allows us to provide a more accurate and detailed cost estimate that reflects the true scope of your project.

And with years of experience in the construction industry, our construction estimator team has worked on a wide variety of projects, from small residential renovations to large commercial developments.

Having this experience gives us a unique insight into the complexities and challenges of construction estimating. It also allows us to provide more accurate and reliable estimates, helping to reduce the risk of cost overruns and project delays.

Get Started With Professional Advice

Get in touch with one of our friendly certified construction estimators to discuss our services and organise your next report.

Office Hours

Weekdays: 8:30am – 5:30pm
Weekends: Closed