The Evatt family home located at 69 Junction Road, Wahroonga is now known as "Parklands" and is listed on the NSW State Heritage Register.
[citation needed] In 1973, Seidler received an offer letter from New York's Museum of Modern Art requesting her to be one of the members of its International Council.
[citation needed] In 2018 Seidler made a gift to the University of Sydney to establish the Penelope Visiting Professorship in Architectural History.
[11] The inaugural Penelope Professor was the French architectural historian Jean-Louis Cohen who spoke on the theme of "Frottage City".
Together they lived in Point Piper, in a basement apartment on the water for just over one year, afterwards they moved to Ithaca Gardens, Elizabeth Bay,[16] a newly-completed Seidler apartment building, and lived there from January 1960 until late June 1967, before moving to the Harry and Penelope Seidler House, designed by her and her husband, located in Kalang Avenue, Killara on Sydney's North Shore.