Walworth Castle

Walworth Castle presents as a Tudor‑style manor principally dating from around 1600, built in roughly worked limestone that has been partially coated, and covered by a Welsh slate roof. The stonework contains masonry that can be identified as dating to the 1500s, reflecting the building campaign that followed the late medieval phase.

The medieval south‑west tower survives as the oldest structural element on the site. This tower predates the early 17th‑century rebuilding, and its fabric includes defensive openings and narrow windows with trefoil‑headed and round heads. The tower shows evidence of having been used for defence in an earlier age and today remains standing as an integral historic feature.

The principal south‑facing range built around 1600 runs three storeys across five bays and is flanked at its angles by two round towers that rise to four storeys. East and west wings extend north from this main block to form three sides of a square courtyard that was originally open to the north. During the early 1800s a range of buildings was erected on the north side, completing the quadrangle, and in the early 21st century a glass roof was installed over the interior courtyard as part of major renovations.

Inside the building, mid‑18th‑century work carried out in 1740 survives in decorative plaster and other period details that show Palladian and Rococo influence. The principal stair was rebuilt in 1864 and the west wing received a new external facing in the same year, alterations that reflect the 19th‑century programme of repair and adaptation. Some panels of 17th‑century glass that once belonged to the house were removed in the early 2000s and are now held by the Bowes Museum. In 2002 flagstones of undetermined date were found in the cellar and were recorded in their original position.

The surrounding parkland retains traces of medieval and early‑modern agriculture, with ridge‑and‑furrow earthworks visible to the south of the house. A nearby enclosure feature has been identified close to the building and a U‑shaped earthwork lies at the southern edge of the park; both have been recorded as landscape elements associated with the estate. North of the house nineteenth‑century garden walls survive, built of patched brick and squared stone, together with dressed stone gate piers topped with pyramid‑shaped caps and a glazed wooden greenhouse that has a taller central compartment flanked by two lower wings, all recorded as separate listed structures.

The entrance complex built in 1870 presents a Tudor‑revival lodge and gate, constructed with rock‑faced masonry and ashlar dressings, arranged as a single‑storey L‑shaped lodge with corner turrets and battlements applied for effect. To the east of the main building a series of huts has been identified as the likely location of the Second World War prisoner‑of‑war compound that housed roughly two hundred internees under Major Rollin Holmes.