Walworth Castle

Walworth Castle is a large mansion, now a hotel, dating to approximately 1600. It was likely designed by Thomas Holt for Thomas Jennison, and incorporates an earlier structure, with internal alterations circa 1740, an early 19th-century north range, and a west wing refronted in 1864. The building is constructed of partly-rendered limestone rubble, with a snecked stone west front, and has Welsh slate roofs. It was originally designed with a reversed U-plan, with a north range across the rear, enclosing a courtyard.

The south front is three-storey, five-bay in the centre, flanked by four-storey round angle towers. A section of the west tower and the bay west of a straight joint may date back to the early 16th century, incorporating earlier features. The 19th century saw the addition of a central doorway and cross windows; the top floor has four three-light mullioned-and-transomed windows. A moulded parapet tops the structure. The towers also feature cross windows and identical three-light windows on the top floor, with earlier features such as loops and narrow trefoil- and round-headed windows visible on the west tower.

The east wing is long and complex, with 17th-century features, including a three-storey, three-bay section with a six-light window on the top floor. Another two-storey section has a central canted bay window with latticed casements and iron bars, tall flanking external chimneys, a continuous string below the parapet, and a two-storey canted bay window on the rear end. The west wing was refaced in the 19th century with cross and mullioned-and-transomed windows, an off-centre two-storey canted bay window flanked by two- and three-bay sections, and a projecting two-bay section with a Tudor-arched doorway. A three-storey set-back bay sits between the wing and tower. Another 17th-century two-storey canted bay window is found on the rear end. The north range is two-storey and five-bay with 19th-century mullioned windows and an off-centre doorway.

The courtyard contains some mullioned-and-transomed windows in the east and west wings. A three-storey frontispiece is present on the south range, featuring paired columns and an entablature (superimposed Tuscan, Ionic and Corinthian orders) with a top balustrade, along with scattered mullions, sashes, and a 19th-century Venetian stair window.

The interior contains significant mid-18th-century features, including a staircase with turned balusters, several rooms with Palladian plasterwork, some with Rococo details (specifically the ground-floor hall, saloon, an upstairs room to the east, and the circular rooms in the east tower). A staircase was reconstructed in 1864. A short single-storey wing on the north, a long two-storey wing on the west, and a late 20th-century addition in the courtyard are not considered of special architectural or historic interest.