She was the daughter of colonel Birger Fredrik Sinding-Larsen (1867–1941) and Emilie Rustad (1871–1904).
She worked with architect Håkon Ahlberg in Stockholm from 1923 to 1925 and Tage William-Olsson to 1927.
She was employed by architects Gustav Classon and Wolter Gahn in Stockholm from 1929 to 1932.
She returned to Oslo in 1932 and worked for a short time with her uncle architect Holger Sinding-Larsen before establishing her own practice in 1933.
Her most notable single work was the design of Sunnaas Hospital at Nesodden in the mid-1950s.