Post Office, Main Street, Tyninghame

This is an 18th-century post office, arranged in a U-shaped plan. It consists of a single-storey smithy at the centre, flanked by a single-storey and attic east wing (Smithy Cottage) and a two-storey west wing (the Post Office). The west wing and east wing were likely designed by Thomas Hannan around 1840.

The smithy is built of rubble with ashlar dressings and chamfered arrises to the doorway. The earlier two-bay section on the left has two enlarged windows and a small, blocked window to the outer left. This is adjoined to the right by an extension with a doorway to the left and two similarly sized windows to the right. The windows have fixed multi-pane glazing. The steeply pitched pantiled roofs have raised skews, and the earlier cottage features brick gable wallhead stacks.

The Post Office wing is constructed of stugged, snecked rubble with ashlar dressings. The main, west-facing elevation features a raised gabled porch at the centre with chamfered arrises to the door surround. A small bathroom window has been inserted above the eaves to the left. Windows are placed in the flanking bays, with gabled dormerheads breaking the eaves. The east elevation is symmetrical, with three bays. A consoled slab canopy with chamfered arrises shelters the doorway, and a window above breaks the eaves in a gabled dormerhead. Single windows are located on both floors in the flanking bays.

The south gable has a projecting stack with set-offs at the centre, intercepted by a penticed shelter which extends to the left. The gable also includes a 12-pane glazing pattern to sash and case windows, boarded doors with strip fanlights, and saw-tooth ashlar skews and gablet skewputts. Moulded gable end stacks are also present. The pantiles are red on the east pitch and grey and red on the west. The northeast angle is intercepted at ground level by the smithy.

Smithy Cottage is built of stugged rubble and ashlar dressings. The west (entrance) elevation has a consoled slab canopy to the doorway and a boarded door with a strip fanlight. Windows are located in the flanking bays. The east (rear) elevation may incorporate an earlier wall in the centre and to the left, with two narrow windows. A wallhead stack is located to the left of the centre. The south gable features a projecting bipartite window with a raised base course and a penticed slab roof, flanked by two small attic windows. A moulded gable wallhead stack is also present. The windows have small-pane glazing, saw-tooth skews, and a pantiled roof with red tiles to the east pitch, grey tiles to the west, and inserted skylights. The northwest angle is intercepted by the smithy.