accommodation angles architecture box-like boxed concrete distinctive elements exterior external gray grey height high home house light linear lines modern modernistic perspectives plain second-storey second-story squared straight structure structured style suburban two-storey two-story units urban views wall walls windows work angular apartment-block apartments appearances balconies balcony building city complex contrast contrasting dark designed detailed glass heights metal multi-storey multi-story supports tall value balconied New white arches Designs domed high-rise quality Rooms short-term structures tower towering gate gated secure angled buildings colors colours covered edge edges flats roof roofing roofs rooftops rooves row shape shapes surfaces texture textures tiles tiling