Name
Type
Date
Condition
Image Ownership
/ Access
Notes (Key)
Allington Castle Fortified house 120113–14th century Restored Wedding venue Restored 1905–1929.
Canterbury Castle Tower keep 110112th century Ruins HC
Local Authority
Demolished 1792.
Chiddingstone Castle Neo-romantic castle 1919th century Intact HH 160117th century building converted to castle in 19th century.
Chilham Castle Keep and bailey 100111–14th century Fragment NGS Keep survives with Jacobean house.
Cooling Castle Keep and bailey 13801380s Part ruined Wedding venue Well-preserved gatehouse survives, barns used for events.
Deal Castle Artillery fort 150116th century Intact EH Formerly residence of Captain of the Cinque Ports.
Dover Castle Concentric castle 110112–13th century Intact EH Adapted for modern warfare 18–19th centuries.
Eynsford Castle Castle 110112th century Fragmentary ruins EH
Folkestone Castle Ringwork 100111th century Earthworks HAL Commanding hill-top location.
Hever Castle Fortified manor house 130114th century Restored HH Restored early 19th century, working portcullis.
Kingsgate Castle Neo-romantic castle 170118–19th century Intact Private apartments Built c.1760, rebuilt late 19th century.
Leeds Castle Castle 110112–15th century Restored HH Extensively rebuilt in 1822 and 1926.
Leybourne Castle Castle 120113th century Fragmentary ruins Private 150116th century house partly incorporating ruins, rebuilt 1931.
Lullingstone Castle Semi-fortified house 15431543–80 Fragment HH 150116th century gatehouse incorporated into later house.
Lympne Castle Fortified house 120113–14th century Restored Wedding venue Restored and extended 1907–12.
Penshurst Place Fortified manor house 130114–15th century Fragment HH Remodelled 19th century, single tower and stretch of wall survive from fortifications of c.1400.
Queenborough Castle Concentric castle 13611361–77 Archaeological remains HAL Unique circular plan, royal castle.
Rochester Castle Tower keep 11271127 Ruins EH Keep 125 ft high to top of turrets.
St Leonard's Tower Tower keep 10801080 Ruins EH
Saltwood Castle Castle 110112–14th century Part restored Private residence
Sandgate Castle Artillery fort 15391539–40 Substantially intact Private residence Altered 1805–6.
Scotney Castle Fortified manor house 13781378–80 Fragment ENT Single surviving tower incorporated in later house.
Sissinghurst Castle Fortified manor house 140115th century Rebuilt ENT No fortifications remaining.
Starkey Castle Manor house 130114th century Fragment Private Fine medieval hall-house remains from possibly fortified manor house.
Stone Castle Tower 110112th century Intact Wedding venue Medieval tower incorporated in building of 1825.
Sutton Valence Castle Keep and bailey 110112th century Fragmentary remains EH
Thurnham Castle Castle 110112th century Fragmentary remains HC
Local authority
On steep spur of North Downs.
Tonbridge Castle Keep and bailey 100111–13th century Fragment HC
Local authority
Gatehouse survives.
Upnor Castle Artillery fort 15591559–67, 1599–1601 Substantially intact EH
Walmer Castle Artillery fort 15391539 Intact EH Residence of the Lord Warden of the Cinque Ports from 18th century.
Westenhanger Castle Fortified manor house 1343c.1343 Fragment Wedding venue 170118th century farmouse built within ruins.