Concept 2 Keys (C2K) is transforming how planning and development applications are reviewed at the City of Toronto by reimagining organizational structures, processes and technology.

New updates to the City’s online Application Submission Tool are now available, including changes to the Site Plan Application review process.

About C2K

Learn about the program office transforming the City’s development review process.

Development Review Improvements

Read about technology and process improvements enhancing development review at the City.

Issues Resolution

Discover what’s being done to improve how issues with applications are resolved and reporting requirements.


Read about the City's new team-based approach for reviewing development applications and how it's being rolled out city-wide.

Help us improve the City’s development review process!

If you have a comment about Concept 2 Keys or a suggestion for improving development review at the City, we would love to hear from you. You can submit your feedback here anonymously.

Please do not submit application-related issues through the feedback page. Visit the Issues Resolution page to submit application issues.