The Planning proposal seeks to amend planning controls to increase the maximum building height for Properties No. 2 and No. 4 High Street Hornsby from 26.5m (8 storeys) to 38.5 metres (12 storeys), and to increase the maximum building height for Properties Nos. 7, 9,11,15,17 and 19 Ashley Street Hornsby and Nos. 2 and 4 Webb Avenue, Hornsby from 10.5m (3 storeys) to 20.5m (6 storeys) for seniors housing development only retaining the existing maximum 10.5m building height for all other R3 permitted land uses on the land).