The strength of Auyin Property Development is the company’s long-term relationships with some of Melbourne’s top property consultants that ensure that it can deliver on its promises for the highest quality design and carefully crafted building outcomes.

Tony Huang - Auyin Property Development

Tony Huang

Managing Director and Founder

Auyin Developments

Auyin’s portfolio of completed projects and planned developments illustrates the company’s commitment to work with the property industry’s leading partners in design, quality construction and town planning to achieve the desired outcomes for both owner occupiers and investors. The company was founded in 2006 with a philosophy to create a proud property legacy for Melbourne.

Auyin understands that liveability, location and careful attention to design and construction detail are the keys to any successful development.

Auyin believes that any property development begins and ends with exceeding expectations.

The Team

David Crowder - Ratio

David Crowder



David has over 25 years’ experience in town planning working with a diverse group of clients including developers, architects and designers, local government and corporate groups. He specialises in statutory planning and providing expert evidence before the VCAT and Planning Panels forums.

What David enjoys most about working at ratio: is taking on new challenges and devising the most appropriate strategies for achieving successful outcomes.

Robbie Mckenzie - Ratio

Robbie Mckenzie

Senior Associate


Robbie joined the team at ratio: in 2007 having previously worked in local government in Melbourne’s east.

Robbie is a highly capable planner with a sound understanding of the Victorian Planning Provisions, and he also offers skills in project co-ordination, strategy and negotiation. His strong technical knowledge enables him to provide clients with well-considered advice on a variety of project types, both big and small, to facilitate outcomes on residential, commercial, rural and industrial projects.

Robbie regularly appears as an advocate on behalf of clients at the Victorian Civil and Administrative Tribunal.

Constantine Bahramis

Constantine Bahramis


CBG Architects

CBG Architects, a diverse and established group has won numerous awards including, Urban Development Institute of Australia for Excellence, City of Whitehorse award for Best Residential Development, Building a Better City Design Awards. Bayside Built Environment Awards‘ Best New Medium Density Housing Development.

Obaid Naqebullah

Obaid Naqebullah


Shangri-La Construction

Shangri-La Construction is a Melbourne based construction company run by inspirational Managing Director Obaid Naqebullah that specialises in high end homes, architecturally-designed houses, multi-unit sites, apartments with basements as well as boutique commercial offices. Whether it’s for a simple stand-alone residential home, or for an expansive multi-faceted construction, Shangri-La offers its clients the same high level of consultation service and enthusiasm.

John Patrick

John Patrick


John Patrick Landscape Architects

John Patrick is a Landscape Architect who has been involved in garden writing for over 20 years. Originally trained in Britain he migrated to Australia in 1980 with his wife.

Through the 1980s John was Senior Lecturer at Burnley College. During this time we wrote a number of books including The Australian Garden. He also organised and wrote the guidebook to Victoria's Open Gardens for the State's sesquicentenary and this grew to become first Victoria's Open Garden Scheme and then Australia's Open Garden Scheme. He wrote the first two Open Garden Scheme Guidebooks.

He was Series Editor for the very popular Lothian Australian Garden Series for which he wrote Trees for Town and City Gardens, Great Garden, No Sweat and Beautiful Gardens with Less Water.

John's garden was open as part of Australia's Open Garden Scheme. He lectures widely and travels extensively in pursuit of gardens. His Landscape Architectural practice has undertaken work from Cairns to Hobart, Perth to Sydney and specialises in the management of historic landscapes and work involving street trees.