Castle Building

Castle Building is a short south-facing terrace constructed in local coursed slate masonry, featuring a restored slate roof, timber bargeboards, a tile ridge, and brick chimneys. The terrace is two rooms deep, with the front pile being slightly longer than the rear, resulting in a slight overlap at the right end. The left cottage has a two-storey extension at the rear, topped with a catslide roof.

The front of the terrace displays irregularly spaced but vertically aligned windows. The left (west) cottage has a single window, the center cottage has two windows, and the right cottage has a single window. There are four small second-storey windows just beneath the eaves, each divided into four and two panes by an off-centre mullion, with stone sills. The four first-storey windows are of the 12-pane hornless sash type in exposed frames, also featuring stone sills and cambered stone arches. The ground storey has two similar windows and a door for each cottage, with the door to the right cottage concealed behind a large recent glazed porch.

The rear elevation includes a door and six similar sash windows facing the street, along with three small windows in the rear part of the left return elevation. At the back, there are two doors and three small windows, plus one small multi-pane second-storey window positioned tight against the eaves. The east side of the rear extension of the west cottage features two sash windows similar to those on the front elevation.

Inside, the building retains its layout as three cottages, each with its own staircase, although the plans of the centre and right cottages are slightly interlocking.