Rule studied architecture at the University of Auckland, graduating in 1992. She has worked with community groups, not-for-profits, churches, clubs, Pacific groups, iwi, Ngā Aho, and accessibility organisations in New Zealand and internationally.[2] She has been a director for Habitat for Humanity and Architecture for Humanity.[3]
In 2000, Rule founded South Pacific Architecture in Auckland, focusing on architecture for diversity.[4] She is the chair of Te Kāhui Whaihanga New Zealand Institute of Architects' Auckland branch.[2] Rule is also a teaching fellow at the School of Architecture and Planning at the University of Auckland and co-founder of Architecture+Women NZ.[3] She was inaugural co-chair of the organisation for five years, from 2011 to 2016.[5][6]
Rule's work features in the book Worship: A History of New Zealand Church Design by Bill McKay and Jane Ussher, and in The Phaidon 21st Century Atlas of World Architecture.[3]