about sans borne group


Sans Borne is a dynamic and innovative Building Design practice with extensive experience in the building and construction industry. Sans Borne is a collaboration of three successful Design firms, Tempus Design Studio (Mackay), Greg Pershouse & Associates (Bundaberg) and Design Plus Group (Hervey Bay). 

We have developed a solid reputation with our clients for producing quality design documentation and delivering high standards of professional service. From our existing firms we are well-known for our innovative, practical and efficient designs, our attention to detail and accuracy as well as our personable service.

As Sans Borne operates from multiple office across Queensland, we can offer in-depth knowledge and experience in various regional conditions (environmental, climatic) and industry practices (contractors, skills, availability and materials sustainability).


Queensland Consulting Group has achieved ongoing ISO 9001:2015 certification from Compliance Australia (Registration No: 1133)

The scope of certification for Queensland Consulting Group Pty Ltd T/As Sans Borne Group covers the following activities: The provision of architectural design, interior design, urban design and project management consultancy services to public and private sectors.

our team

TAMICA LEWS - Director


Tamica is a licenced Building Designer (Medium Rise) and has been involved in the Building and Construction Industry since 2006. Tamica studied at CQU and obtained firstly an Associate Degree in Building Design and subsequently a Bachelor of Building Design.  Other achievements include a Certificate IV in Engineering at CQI of TAFE and recognition as an Endorsed Sustainable Building Designer.



Brett has been designing & documenting Buildings for the past Eleven years successfully completing projects across both domestic and commercial developments. Brett holds licences as both a registered Builder and Building Designer in the state of Queensland.

As a member of the Building Designers Association of Queensland (BDAQ) Brett has been involved in the executive at both a Branch and State level  Brett is also a director of Built Environment Design Institute INC. (BEDI) and a Member of the Urban Development Institute of Australia (UDIA – QLD).


GREG Pershouse

In 1978, after 10 years working at the Bundaberg Foundry and Massey Ferguson, Greg decided to establish his own design practice in Bundaberg. Relocating to Sydney 1980, Greg was engaged as a consultant by German-based engineering giants, Mannesmann Demag, and consulting engineers, Longworth Mackenzie, in North Sydney, gaining valuable experience designing on projects such as the Sydney Police Centre, Qantas House and various large engineering ventures in the mining, energy and logistics fields, throughout Australia.  Greg has been a QBCC Licensed Building Designer since 1990 and also holds an Advanced Diploma in Structural & Mechanical Engineering.