2023 Heritage Impact Statement for 36 Grosvenor Street Wahroonga Driveway and street façade of the study site at 36 Grosvenor Street, Wahroonga. Sydney - NorthernHeritage Assessment Authors: Elizabeth Gorman and Emily Pickering Client: Private Assessed alterations and additions to the existing Post-war era house and associated landscaping, located in Wahroonga Heritage Conservation Area.