Carlton Green

This is a farmhouse dating to 1846, built for the Duke of Northumberland. It is constructed of sandstone rubble with ashlar dressings and a Westmorland slate roof. The building is two storeys high and has an irregular plan, designed in a Jacobethan style. It features an ashlar plinth and quoins. The windows are double-chamfered mullion windows, some retaining original diamond-pattern glazing.

The south elevation has a central, two-storey projecting gabled porch with a door set within a chamfered, Tudor-arched ashlar surround and hoodmould; above the door is a two-light window in a coped gable. To the left of the porch is a four-light mullion and transom window on the ground floor, and a three-light window in a coped gable on the first floor. To the right is a pair of cross windows on the ground floor, which flank a stack-like projection with a recessed panel displaying a shield and the date. Ashlar coping is visible to the right. A corniced ashlar stack is located at the left end of the elevation.

The rear elevation, to the left, has a projecting two-storey wing with a three-light window on the ground floor and a two-light window on the first floor. A single-storey porch with a doorway matching the south front is situated in the angle. The main range features a ground-floor two-light window and a first-floor single-light window in a gable above, along with a ground-floor three-light mullion and transom window to the right.

The left return has two gabled bays. The first bay contains a ground-floor three-light mullion and transom window and two two-light windows on the first floor. The second bay has a ground-floor two-light window above which is a single-light window, with staggered external stacks meeting a first-floor corbelled external stack, incorporating a recessed panel with a shield and date. The right return is composed of two gabled bays plus one bay. The first bay has a first-floor three-light window; the second bay has a ground-floor four-light mullion and transom window and a first-floor three-light window; and the third bay has a single-light first-floor window and a corbelled stack. This farmhouse was the second Jacobethan-style farm complex constructed by the estate, following the building of Manor Farm.