After practising in Nelson, she moved to lecturing at Unitec Institute of Technology in Auckland.
She specialises in sustainable building materials such as earth and straw bales, and environmental issues in architecture.
[3] Hall's 2010 House for Tree Lovers in Golden Bay featured in the book Snapshot 500 and in Home magazine.
Her thesis, supervised by Brenda Vale, was on earth and straw bales as building materials.
[3] She was the lead researcher on a project to develop a prefab building product using straw.