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  • Welcome to Oscar Design and Construction
  • Welcome to Oscar Design and Construction
  • Welcome to Oscar Design and Construction
  • Welcome to Oscar Design and Construction
  • Welcome to Oscar Design and Construction

Oscar Design and Construction is an award-winning, multi-disciplined Australian company that provides Design, Quantity Surveying, Project Management, and Turn-Key complete Design & Construction packages mainly residential flat buildings, townhouses, and childcare centres for private & Government and land & home packages. We are a qualified with class 2 DBP with a department of fair trading, competitive, experienced, innovative, and 100% Australian-owned company. Our specialty is to deliver high-quality projects on time and within budget, with a strong focus on client satisfaction, WHS safety, quality, and environmental sustainability.


"Our goal is to continue providing a high level of service and accomplish the best possible design and construction solution to all our clients, no matter the size of their project."



We create high-quality developments, combining design trends with commercial needs that are aligned with efficient features that work to improve the environment of building occupants. 
We ensure our clients; partners and community receive real value with every project undertaken, and a maximum return on investment for all stakeholders. 



Our sole director Greg Elhen  has a tertiary qualification in Architecture, construction management, and Quantity Surveying, with over 25 years of experience, working on major projects such as Walsh bay $600 Million dollars, Pfizer head office $45 Million, and many more projects in Australia. Greg and his staff have the expertise to manage and mitigate risks to provide a successful outcome for our clients.




Oscar Design and Construction maintains its status as one of the markets leading property developers and builders, by continually raising the bar on excellence. Our experienced team is always in search of innovative ways to deliver better projects and developments. We strive to use the latest technology, buildability methodology, and  environmentally  friendly solutions to offer clients and occupants a better lifestyle.



Oscar design and construction always seek out JV partners who will share our passion for excellence, work together with transparency for one common cause, and to create a long-lasting and profitable partnership by delivering outstanding results.



Our business's model and undertaking  are  to work with landowners, partners, who will share our vision and mutual qualities of honesty, transparency, trust, flexibility, and cooperation at all levels and  exceed  the prospects of the joint venture with our partners and maximise the value of the return on the investment.





"Greg Elhen from Oscar Design & Construction has been designing & building for me residential apartments and townhouses for over ten years, he and his team have met their budget, completion dates obligations and delivered cost-saving measures without compromising the qualify of the built. I highly recommend Greg Elhen and his company".


Stuart Redman

Managing Director

Pacific Facilities Management



"Greg Elhen  has been an integral part of this dynamic process. His work is accurate and professional."


Tasman Storey


HPA Architects / Mirvac Construction

Walsh Bay redevelopment project - Sydney



"Oscar Design and Construction project director, Greg Elhen , acted in a professional manner, and was considerate and cooperative in meeting the needs of the 3 centres requirements and operational constraints whilst delivering building works."


Altus Page Kirkland

Stuart Colhoun


BBF - Federal government project



"Oscar Design and Construction, project director Greg Elhen , I found to be highly organised with all his tradespeople and staff. He showed extensive building knowledge and professional conduct."


Abigroup contractors

Project Manager

Sam Locascio

BER - National Federal government project



Google Reviews



* Full NSW Builders licence  Lic No: 196388C 

* Member of the Australian Institute of Quantity Surveyors No: 9305

* Member of the Australian Institute of Building No: 9729

* Member of the Housing Industry Association No. 1192396








Guaranteed DA approval or we will refund your money.

This is how confident and serious we are about the quality of work we do.

We will design your project to suit your needs and the  council's  regulations to obtain approval or we will refund all the money you paid us.