3 Mill Street

Nos 1-4 Mill Street.

Third-quarter C19 one-and-a-half storey terrace of 4 estate cottages; built for Lord Penrhyn (of Penrhyn Castle), following his aquisition of the estate in 1856. Rubble construction with shallow-pointed slatestone lintels to ground floor openings; continuous slate roof with tiled ridge and deep verges. 2 chimneys, shared between nos 1 and 2 and nos 3 and 4 respectively; 2-stage with rendered lower section and stone upper, plain cornice bands. The units are designed as one-window reflected pairs, nos 1 and 4 with outer entrances and nos 2 and 3 (the central two) with inner entrances. Half-glazed C20 doors and 6-pane C19 sashes with projecting cills. The upper windows are also 6-pane sashes and are contained within mid-C20 flat leaded dormers, breaking the eaves. To the rear, each unit has a modern door and window combination and paired modern dormer windows to the upper floor.