18 Park Street

18 Park Street is a two-storey building with a symmetrical elevation featuring four windows. It is constructed from roughly coursed and squared sandstone rubble, with dressed stone quoins and a hipped slate roof that has two octagonal stone chimneys. The building has paired central entrances with 19th-century doors that are sheltered by a stone canopy. The windows have hoodmoulds; however, those on the ground floor are badly eroded, while the upper-level windows have been restored.

The left side of the building has a later porch, and the right side has paired entrances beneath a shared stone canopy, with the right entrance now converted into a window. Some two-unit cottages in the area maintain their basic plan form, with some retaining original stairs and blocked corner fireplaces. Number 15 retains its original plan form and many contemporary features, including plank doors with strap hinges in most rooms and similar doors leading to the staircase. The front room has a corner fireplace with a simple surround, and the attic features an original cast-iron skylight.