We provide quality design and construction drafting to the Residential, Retail, and Commercial industries.  

All design and documentation are produced in-house. No part of the Architectural process is outsourced or sent overseas. Your project will be handled by one person from start to finish, eliminating communication errors. We are passionate about what we do and strive to please our customers. Meetings can be arranged after hours and weekends.


We have extensive experience in the Sydney Residential market. Our Architectural Plans comply with all Council Development Controls. We provide a fixed quote with no additional costs for minor changes. Located in the Greater Western Suburbs, servicing all Sydney metropolitan areas.

Retail / Commercial

Our services include site measures for As-built CAD drawings/lease plans etc, we have experience with:

– Department of Sport N.S.W.
– Sydney University
– Woolworths
– Harvey Norman
– Franklins
– Cafes, Bakeries, Hair Salons and more.

What Our Clients Say...

“This was our 2nd project with obrien design + drafting. Adam is very knowledgeable of BCA requirements, a very good communicator and gives fast turn around. He provided various options then fined tuned the chosen design. The plans were accurate and detailed which made construction easy. I highly recommend their services, we couldn’t be happier.”

Wayne - Kellyville

“We used obrien design + drafting for our extension and would highly recommend them to anyone. They were enthusiastic and professional throughout the entire process and their customer service was excellent.”

Angela - Silverdale


“What a refreshing change to have dealt with this business who care about your project as if it were their own."

Martin - Agnes Banks

"I have been a client of Adam O’Brien at Obrien Design & Drafting for the past 4 years. Adam is a true professional. He takes pride in his work, is creative and innovative, and the results speak for themselves as the end product is impeccable and well presented. Adam delivers when he says he will deliver. He is always willing to help whenever there are issues that need to be resolved and is always available when I need to contact him. And to top it off, he is an all-round nice person who I would recommend to anyone looking for an architect." 

Anthony S - Five Dock

"O’Brien design helped us make our dream home become a reality. They designed our home, completed all plans, and helped us with the approval process. We have been in the house for over a year and could not be happier. Adam was very professional and always went out of his way to assist us with any questions we had. We would highly recommend O’Brien design."

Kirsten M - Wallacia

"Very professional, always willing to help with every issue we had along the way. Assisted with our DA & basix, made it very easy to deal with the council I would definitely use Adam again for our next build."

Steve B - Silverdale


3D graphic we created for one of our developers in Western Sydney.

1st-floor addition

Here we have the original home, completed 1st-floor addition, and the 3D image at Kellyville.

Get in Touch
PO Box 7612,
South Penrith, NSW, 2750

0413 604 092

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