Grugan Ddu

Grugan Ddu is a single-storey cottage, built roughly in the 17th century, aligned from north-west to south-east, with outbuildings that run along the same axis but feature different roof lines. The cottage is constructed from painted roughly coursed rubblestone on a boulder plinth, with the front wall partially rendered and the entire rear wall exposed. The slate roofs have been recently renewed.

The main part of the house has a boarded door that is offset to the left, flanked by a single-light 6-paned casement window on the left and a 12-paned horizontal sliding sash window on the right, both with slate cills. There are integral rendered end stacks. To the left, there is a slightly lower and set-back cowhouse that features a boarded door on the left and a window on the right. Further to the left, there is an extension that has been partly rebuilt, with a roof in two sections, which includes a boarded door on the right and a window where a former doorway was located on the left. To the right of the main house part is a former stable, which is also set down and set back, featuring a door on the left and a window on the right. There is a 20th-century lean-to at the back of the house part and a raised cobbled walkway in front of the former cowhouse.

Inside the original house part, the right room has a boarded ceiling and an inglenook fireplace with a massive timber lintel. There was a former croglofft above the left room, which was accessed by a ladder stair until recently, but now has a modern stair that cuts through the tie beam of a possibly 17th-century A-frame truss. The first-floor accommodation has been extended over the right room and features an early 19th-century A-frame truss at its center. The cowhouse to the left of the original house part has been converted into a kitchen and has three exposed A-frame trusses, with the right truss very close to the stone end wall of the house part. The left and right outbuildings have late 20th-century roof structures.