Llangattock Manor with its associated garden terrace

Llangattock Manor is a rambling Jacobethan building constructed of coursed irregular rubble with Bath stone dressings and brown tile roofs. The plan, oriented on a north-west to south-east axis, is irregular, consisting of a main entrance block facing north-east with a single gabled wing set back at the south-east end (to which an original conservatory is attached), two gabled wings at the north-west end (the first narrow and set back, the second broad and advanced), a secondary wing projected from the front of the latter, and a former kitchen attached to the north-west corner. The entrance block and its south-east wing are two-storeyed; the remaining sections are three-storeyed to roughly the same height, with the exception of the former kitchen, which is single-storeyed.

The north-east entrance front makes less successful use of the historic style than the garden front. The three-bay entrance block features a two-storey gabled porch in its centre, containing a moulded Tudor-arched doorway beneath a three-light overlight. A chamfered string-course, which runs around the whole building and steps up and down, crosses the facade. Above the doorway is a reset seventeenth-century shield of arms of the Evans family. A three-light mullioned window occupies the first floor. To the left of the porch stands a disproportionately large nine-light three-stage mullion-and-transom stairwindow. The remaining facade contains various one-light windows with transoms and two-light mullioned windows, along with a service doorway at ground-floor level in the recessed wing. The secondary wing to the front of the north-west wing, of two storeys, features three gabled dormers but otherwise altered openings.

The west (garden) front demonstrates more creative and convincing use of seventeenth-century style. Excluding the kitchen and conservatory, it comprises a six-bay composition with no two bays identical, generously fenestrated with a mixture of large mullion-and-transom windows, mullioned windows, and cross-windows. A projected three-storey gable marks the service wing at the north-west end. A canted two-storey bay projects from the right-hand side of the entrance block. Two hipped half-dormers are present, and quoined chimney stacks feature clustered diamond-set shafts. At the south-east end stands an ashlar-built conservatory with a symmetrical three-window Gothick-style facade, including a central gablet with finial. At the north-west end, projecting and slightly wrapped round the north-west wing, is a single-storey hipped-roofed kitchen wing with a cross-window beneath a hipped dormer and a small square two-stage ventilator featuring a red-tiled lower stage, short plastered upper stage with circular vent-holes, and a tiled pyramidal roof crowned by a metal finial. A paved terrace, approximately two metres high and faced with rubble, crosses the whole facade except the gable of the north-west wing. It is protected by a balustrade of geometrical terracotta openwork and accessed by a stone staircase projected from the centre.

The main range retains most of its original features, including marble fireplaces and plaster cornices with floriated enrichment in the main ground-floor rooms. The staircase is believed to have been repaired or restored following military occupation of the house during the Second World War. In the conservatory is a pump delivering water from a tank beneath it which receives rainwater from the roof.

The property includes an associated garden terrace.