Windyhill, Rowantreehill Road, Kilmacolm

Detached L-plan two-storey house in severe "Modern Movement" manner. Designed by Charles Rennie Mackintosh and built between 1900-02. Roughcast walls, slated pitched roofs, flat roof to porch behind parapet. There is a long cat-slide gable to the northeast, a two-storey apsidal stair tower to the north and a similar but wider and lower porch. Sandstone dressings to main entrance doorway. Windows are multi-paned timber sash and leaded casements in a range of dimensions with roughcast surrounds. Large canted bay window to west elevation. Single-storey washhouse and laundry attached. Decorative elements by Mackintosh to the interior. Rubble boundary wall incorporating a curved dip with dressed stone coping. Outdoor garden space also designed by Mackintosh.