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Established in 1973, we are one of the biggest firms of Architects and Interior Designers in Perth, Western Australia, working in both private and government sectors, covering the full range of projects - corporate, commercial, industrial, retail, research, public, tourism, recreational, multi-residential, aged person housing, health facilities, educational, fast food outlets and the hospitality industry.

We take pride in our professionalism, especially

  • Our reputation for delivery of projects on time and under budget
  • Our design skills, producing attractive buildings which work well for our clients
  • Our reputation for sound commercial design
  • The diversity of our client base and the wide variety of projects we design
  • Our well organized office which we run on solid business principles
  • Our flexible approach to the demands made of us

Reputations are hard won and easily lost. We work hard at maintaining and continuously improving ours.


Our team at Oldfield Knott Architects is lead by two Directors and one additional Principal who oversee all projects on a day to day basis. With over 40 staff including our own in-house Interior Design department, we have the capacity to fully service our clients' needs over a wide range of projects regardless of size or complexity.



A founding partner of Oldfield Knott in 1974, Ian has built the practice into one of Western Australia's leading architectural firms. His vision and commercial focus produce innovative design solutions which are held in high regard within the business community. Ian's management skills enable him to oversee all operations of the architectural and interior design departments whilst his partners focus on individual projects.




Hugh has worked as a Design and Development Architect in Europe and Australia for more than 30 years. His knowledge of building systems and construction methods covers a broad spectrum of building types. Since joining Oldfield Knott in 1978, Hugh has been responsible for the coordination and successful completion of many of the firm's largest projects, consistently exceeding the client's expectations.




Frank has been an integral member of the Oldfield Knott team since 1985. His areas of expertise include licensed venues and multiple residential projects in all states of Australia. The value of Frank's skills and experience in the hospitality sector is evidenced by the high number of repeat clients who seek his personal design of their projects.