Pen-yr-Allt

One-and-a-half storey house of irregular Z-plan. Of rendered and whitened rubble with old slate roofs retaining small slates; crudely-kneelered rubble gable parapets to the T-shaped earlier section. This also has projecting gabled end chimneys and a large lateral chimney with tall stack to the rear of the primary block. The entrance front comprises 2 ranges at right-angles of which that to the R has the entrance; C18 6-panel door in an ovolo-moulded frame, with the upper 4 panels removed and now glazed. Above the entrance is a fine heraldic plaque of sandstone with the date 1710 and a Latin inscription 'What you have not made yourself you cannot call your own'. To the L of the entrance is a 12-pane C19 casement window with projecting stone sill; R of the entrance is a late C19 2-part 8-pane French window with marginal glazing. The upper floor has modern 2-pane casement windows contained within 2 hipped-roofed dormers, deeply breaking the eaves. The L wing has 12-pane casements as before, the upper one in a similar dormer. The L gable end has a late C19 lean-to porch extruded in the angle formed by the projecting chimney breast; 5-panel door.

The C19 L-shaped addition adjoins to the rear, forming a double-pile arrangement with the entrance range. This has a single-storey canted bay to its advanced side gable (NE) with C19 12-pane unhorned sashes; tripartite sash to the first floor, with a central 9-pane and flanking 3-pane sections. The rear has further contemporary 12-pane sashes with a modern entrance to the L return of the gabled rear projection and a (C19) lateral chimney to its R (SW) side. C19 16-pane cross-window to the R of the lateral chimney to the rear of the primary range, with a 12-pane casement above, contained within a shallow catslide dormer. A small single-storey C19 projection adjoins the SE arm of the primary T-planned section.

Wide early C18 lugged pine architrave to entrance passage and plain beams to ground floor ceilings; moulded cornice and panelled shutters and reveals to main ground floor room. There is said to be some relocated panelling in the left range (not inspected at time of survey).