Best Quantity Surveyors In Perth Near Me

4worldlovers: Get the most out of your investment property in 3 easy steps with Duo Tax

If you've made improvements to your property or unsure on the build cost, we can help reduce your CGT.

We have a team of independent certified property valuers to help with your valuation needs.

Our cost estimating team provides a full range of construction cost reports for various building projects.


We are the highest and most rated quantity surveyor for tax depreciation services


Engaged these guys to do the depreciation on our property. Responded quickly and received report in a few days. Great to deal with.

Duo tax is a Professional team with full knowledge about the market positioning, I got results for my property depreciation in Queensland under less than a week when other companies said it will take 2-4 weeks.very genuine prices highly recommended….


Excellent service & turn around time. I would use them again and recommend them.


Impeccable service, very responsive and super professional! Highly recommended if you are looking for depreciation schedules

Job well done, and well in time by Tuan and the team. Definitely recommend.

Duo were professional, timely and delivered an excellent report that allowed us to claim maximum tax deduction. Highly recommended.

DuoTax did my property valuation and depreciation which was prompt, reliable and the service was excellent. Reasonable fee too considering their quality of service. Thank you tax and will definitely recommend!

My experience with Duotax was very positive. They were quick and efficient with handling my depreciation schedule. Thank you Duotax for your support, I'll be back again!

Reducing Negative Cash Flow on a Townhouse Built in the 1980s

Our reports provide up to 40 years of depreciation where applicable and we’ll even retrospectively help you claim on previous years you missed out on.

We’re Australia’s highest-rated Quantity Surveyors. Our Quantity Surveyors have served over 50,000 happy property investors.

With over 50 combined years of experience and a nationwide presence, our Duo Tax process focuses on the most aggressive form of tax depreciation.

We offer immediate and accurate over the phone estimates and have an average turnaround time of 5 business days.

Call us and we will ask you a few simple questions to qualify your investment property.

Order over the phone or via our online form and we will begin preparing your report.

Within approx. 5 business days your report will be delivered to you and your accountant.

ATO Compliant and the choice for thousands of accountants and advisors Australia-wide

Talk to one of our friendly qualified quantity surveyors to organise your personalised depreciation schedule or simply get a free quote.

Property investors, in most cases, are entitled to tax deductions as apart of the wear and tear that occurs in their investment properties.