17 Abercromby Street East, Helensburgh

17 Abercromby Street East in Helensburgh is a two-storey villa built in 1907 in the asymmetrical Scottish Arts and Crafts style by architects Mitchell and Whitelaw. The building features harled walls with some sections of stugged and snecked cream sandstone detailing and ashlar dressings. There are ashlar margins around some windows, a corbel course between the ground and first floors, and deep swept overhanging eaves.

On the southeast elevation, there is an off-centre right basket-arched doorway with stop-chamfered arrises and a roll-moulded surround, leading to a half-glazed boarded door. To the right of the entrance, a shallow bow window is present. Above, a bipartite window breaks the eaves on the first floor. A single-storey wing to the right has a window in the centre. On the left, a taller shaped gable bay is advanced, featuring stugged and snecked sandstone at the ground level with a canted window partially recessed between piers that support a corbelled upper storey, which has a corbelled shallow canted oriel on the first floor. To the left, there is a recessed bay with windows on both the ground and first floors.

The southwest elevation has a window at the centre on the first floor. A shaped gable bay is advanced to the right, with a bowed cream sandstone projection at the ground level that includes a central French window flanked by two windows, topped with a flat roof. Above, there is a corbelled shallow canted oriel on the first floor. To the left, a bipartite window is located at the ground level, with a corbelled shallow bowed bay above that has a window breaking the eaves and a half-piend roof.

On the northeast elevation, a taller gable bay is advanced at the centre, with windows at both the ground and first floors. There are additional windows at the ground and first floors to the right and a window at the ground level to the left. A single-storey lean-to projection is located on the outer left.

The west elevation features two small windows at the ground level in the centre, with a semi-circular oriel above that has three narrow windows and a half-piend roof. There is also a window at both the ground and first floors to the right, along with a single-storey and attic wing on the outer right, which includes a coal door at the ground level and a window breaking the eaves above. A single-storey wing is present on the outer left.

The villa has small-pane casement windows and fixed-pane windows with top hoppers. The roof is covered with grey-green slates, and there are harled coped stacks. The shaped gables to the south and west have ashlar coped skews and large scrolled skewputts, along with original rainwater goods.

Additionally, there is a rectangular-plan garage that is harled, featuring two-leaf garage doors and a piended slate roof with swept overhanging eaves.