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DUAL-OCCUPANCY AND DUPLEX
Design and Approval Specialists

Maximise your site’s development potential with planning-led duplex design and approval expertise.

 ✓ Combined 35 years of experience

 ✓ Based in North Kellyville, NSW 

 ✓ NSW Registered Architects (Registration No.11738)

 ✓ Design Practitioner Registration No: DEP7561219 

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SPEAK WITH ATRICON ABOUT YOUR SITE

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What Our Clients Say

"The team were great to deal with and helped answer all of our questions. Would recommend."

Michael Dodds

"Recently reached out to them to explain my vision and create a unique project in my small land and they’ve come up with really creative solutions. Awesome people to work with!"

"They understood my vision, and delivered an amazing home"

Riley Barnes

"Extremely professional. I highly recommend them."

Why ATRICON
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5 Reasons Why People Choose
 

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Approval-Focused Architectural Design

We design around planning controls and site constraints from day one—reducing approval risk and costly redesigns.​

Clear CDC vs DA Pathway Advice

We assess your site upfront and recommend the most suitable approval pathway for your goals, constraints, and timeline.

Feasibility Before You Commit 

Understand your site’s true potential early, before time and money are committed to the wrong direction.

Structured, Responsive Project Delivery
 

A clear, professionally managed process that keeps your project moving efficiently from feasibility to submission.

Registered Professionals with Real Project Experience

Work with an established architectural practice trusted by homeowners, investors, and developers across NSW.

Your Dual-Occupancy / Duplex Project Starts Here

What you will get: 

  • Clear advice on what you can realistically build on your site

  • Whether your project qualifies for CDC or requires DA approval

  • Recommended next steps to move your project forward

Who this is for:​

  • Homeowners wanting to unlock the development potential of their property through a dual occupancy or duplex project

  • Investors & developers looking to maximise site yield, profitability, and long-term property value

  • Builders & owner-builders needing professional design, planning, and approval documentation for duplex developments

  • Anyone wanting expert advice on dual occupancy feasibility, design, and approvals in NSW

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Pricing

Transparent Fees

We provide competitive, clear, upfront pricing for all projects.

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Final fees vary depending on site constraints, approval pathway and project complexity.

Frequently Asked Questions

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Contact

Get Clear Direction Before You Start Your Project Today

Maximise your site’s development potential with strategic, approval-focused architectural advice.

We specialise in residential architecture tailored to your needs - from creating timeless generational homes, to optimising the value of your site. 

©2025 ATRICON

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