State Development Assessment Unit

Under the Planning and Development Act 2005 (as amended by the Planning and Development Amendment Act 2020), a newly introduced Part 17 grants the Western Australian Planning Commission temporary decision-making powers to determine proposals of State or regional significance, with a project value of over $20 million in metropolitan Perth, and over $5 million in regional areas. 

The newly formed State Development Assessment Unit falls within the Department of Planning, Lands and Heritage and forms part of the Department's Land Use Planning Division. 

Information regarding the State Development Assessment Unit can be accessed online here.

Current Applications

Apartments & Commercial (Cafe) Development - 120 Marine Parade COTTESLOE

*Please be advised the applicant has submitted revised plans to the State Development Assessment Unit for this development.

The revised development proposal reduces the original proposed height of nine storeys by one storey (eight storeys) and removal of the roof terrace.

The revised proposal for a mixed use development includes 14 apartments (reduced from 16 apartments), a commercial tenancy (cafe) and two levels of basement parking.

Submissions regarding these amendments are strongly encouraged and are to be made to the Department of Planning, Lands and Heritage. For further information, please contact the Department on 6551 9450 or

Submissions can be made directly to the Department online using the Feedback Form on the SDAU website.

Comments for the revised proposal close 30 April 2021.

Related Documents

  1. Revised Development Application Report - 120 Marine Parade Cottesloe

  2. Revised Development Plans - Appendix 1 - 120 Marine Parade Cottesloe

  3. Revised Development Application R-Codes Volume 2 Assessment - Appendix 2 - 120 Marine Parade Cottesloe

  4. Revised Development Application Design Report - Appendix 3 - 120 Marine Parade, Cottesloe

  5. Revised Development Application Landscaping Plans - Appendix 4 - 120 Marine Parade, Cottesloe

  6. Revised Development Application Transport Impact Statement - Appendix 5 - 120 Marine Parade, Cottesloe

  7. Revised Development Application Access Management Strategy - Appendix 6 - 120 Marine Parade, Cottesloe

  8. Revised Development Application Waste Management Plan - Appendix 7 - 120 Marine Parade, Cottesloe

  9. Revised Development Application Sustainability Report - Appendix 8 - 120 Marine Parade, Cottesloe

  10. Revised Development Application Acoustic Report - Appendix 9 - 120 Marine Parade, Cottesloe

  11. Revised Development Application Heritage Impact Statement - Appendix 10 - 120 Marine Parade, Cottesloe

  12. Revised Development Application Economic Benefits Statement - Appendix 11 - 120 Marine Parade, Cottesloe

  13. Revised Development Application Construction Costs Cover Letter -120 Marine Parade, Cottesloe

  14. Supporting videos - 120 Marine Parade, Cottesloe