Trehaverock House

Trehaverock House is a house, possibly originally linked to the collegiate church of St Endellion, likely built in the late 16th or early 17th century. It is constructed of stone rubble, with rag slate roofing, raised eaves, and gable ends. A section of the roof on the right-hand end has asbestos slate. A large projecting stone rubble rear lateral stack, with a rendered brick shaft, is visible, along with a stone rubble and brick stack on the right-hand gable end of a single-storey range.

The original layout comprised two rooms and a through passage, with a smaller room, likely a parlour, on the left and a larger hall/kitchen on the right, initially heated by projecting rear lateral chimney stacks. The parlour stack is now truncated, incorporated into a small, rear, single-room lean-to extension. A single-storey range on the right may have been part of the original building, although it probably had a separate entrance and may have been independent. A thick wall divides this range from the hall to the left; while the lower masonry appears to be of a single build, the front wall beyond the entrance to this range retains the same thickness as the main range, although evidence suggests partial rebuilding. The range on the right has been further extended by a garage with a slate roof and a half-hipped end.

The symmetrical, three-window front to the left-hand range features, on the ground floor, a brick segmental arched opening on the left and a slate-covered lintel on the right, both with 20th-century cross windows with glazing bars. A central 20th-century plank door is sheltered by a late 19th-century gabled stone rubble porch. The first floor has three, possibly late 19th-century, two-light casements with glazing bars, inserted after the roof eaves were raised. A rear hall window has an unmoulded three-light timber mullion window with a central opening casement and stanchion bars, with five pigeon holes positioned above the window.

Internally, the through passage has been blocked by the insertion of a staircase. A moulded beam (wave, fillet, and roll-moulded) is present on the right-hand side of the passage, featuring blocked mortice holes, likely for a screen, and it has been slightly truncated. The room on the left has 19th or 20th-century ceiling beams and a 19th-century chimney-piece with Delft tiles. The larger hall/kitchen on the right displays unmoulded ceiling beams and a rough, unchamfered lintel over the fireplace. Several 18th-century two-panel doors are found on the first floor. The roof timbers were replaced in the late 19th century, likely when the eaves were raised. The roof timbers of the lower range on the right are inaccessible. The house remains largely unaltered on the front and rear elevations.