Haffenden Farmhouse

Haffenden Farmhouse is a farmhouse dating from around 1600, with a rear wing added in the mid-17th century and a facade that underwent alterations in the mid-to-late 18th century and early 19th century. The building is timber framed and clad in red brick laid in Flemish bond, with some grey headers, and features a plain tile roof. It has a lobby-entry plan, with a narrow stack bay that has one room on either side and a narrow bay at the right end.

The farmhouse is two storeys high with an attic. The main range's roof and facade appear to be in two sections but actually conceal a single frame from one period. The left two-thirds of the roof is steeply pitched and hipped, with the left hip returning along the wing, which has a lower ridge. The right third has a much lower ridge and a hip that returns to the right. There is a dormer on the right hip of the left section and a multiple brick ridge stack at the center of the left section.

The facade features irregular fenestration with three 16-pane glazing bar sash windows, creating a regular three-window front on the left section, while the right section has no window. The ground floor windows are set in broader blocked openings with segmental heads. A panelled door is located beneath the stack, sheltered by an open wood porch that has a four-centred arched head and a flat hood with a modillioned cornice.

The rear left return wing, dating from the mid-17th century, is timber framed and brick clad, featuring 19th and 20th-century windows and a 20th-century door. The rear right return wing, built in the 19th century, is also brick and laid in Flemish bond. There is a two-storey addition at the left end of the front elevation from the 20th century, made of brick with a leaded lean-to roof, replacing a lean-to.

Inside, the farmhouse has exposed chamfer-stopped beams and joists, large square panels with tension braces on the rear wall of the main range, and a clasped purlin roof in the left wing.