Barn at Great Tresenny

Substantial early C18 corn barn. Thinly coursed rubble stone, slate to upper half of roof and corrugated metal sheeting below. S front, centre has big projecting gabled porch with weatherboarded head and boarded double doors. To right is C19 slate-roofed outshut. Each side of the doors, the upper walls of the barn have tall six-light diamond mullions with external boarded shutters. These are flanked on either side by slit ventilators. Ground floor has single tier of three slit vents. The N elevation is similar, but has smaller boarded doors to the threshing floor and the mullions on each side do not have shutters. W Gable has datestone of 1722 in upper gable with initials T & J P; below is a pitching door with four vent slits in the lower wall.

Five bay interior. Large and impressive interior space with wide threshing floor. Queen post roof trusses with three tiers of trenched purlins. Porch has smaller framed trusses with angled struts supporting the principals.