Credentials & professional accountability
Accredited building design, with the right registered team for the work.
AusJu is led by Chunfu Cai, a BDAA Accredited Building Designer (Low Rise). Project responsibilities are matched to the building class, approval pathway and regulated design requirements before engagement.
AusJu lead · Accredited Building Designer
Chunfu Cai
Chunfu leads client communication, building design, approval documentation and consultant coordination. His experience covers residential, commercial, industrial and complex approval work across Sydney.
- BDAA accreditation
- Low Rise · Accreditation No. 6662 · current to 16 March 2028
- NSW trade licence
- Kitchen, Bathroom & Laundry Renovator · Licence 465372C
- Professional cover
- Current Professional Indemnity Insurance held for the insured professional services
- Practice role
- Building design, DA / CDC / CC / BIC documentation and project coordination
Collaborating registered architect & design practitioner
Le Yu (Leroy)
Le Yu works with AusJu on suitable commissions. Any registered architect or Design Practitioner responsibility is confirmed in the written project scope; AusJu itself is not a registered architecture practice.
- NSW Registered Architect
- Registration No. 11536 · Practising / Active
- NSW Design Practitioner
- Registration DEP7561231
- Project appointment
- Role, regulated design discipline and declarations confirmed for each engagement
Professional scope
Clear scope before work begins
Titles and registrations are not treated as interchangeable. Each proposal identifies the service, responsible practitioner and external consultants required for the project. The KBL licence is limited to its stated renovation category and is not a general building licence.
Public information
Verification and privacy
Registration and licence details can be checked through the relevant NSW or professional registers. Certificates, insurance policy numbers and private documents are not published on this website.