| 1 November 2007 |
Licensing for Design, Site and Carpentry classes began |
| Late 2008 |
Licensing introduced for External Plastering, Roofing, and Brick and Blocklaying |
| Early 2010 |
Licensing classes to be introduced for Concrete Structure, Steel Structure, and Foundations |
| 1 March 2012 |
Restricted building work requirements take effect, with exemption available to owner-builders (DIYers) |