There are six castles of note in Gloucestershire.
|Berkeley Castle||Keep and bailey||12–14th century||Intact||Largely unaltered until 1920s, when interior modernised by 8th Earl of Berkeley.|
|Beverstone Castle||Pentagonal castle||13–15th century||Ruins||NGS||17th century house built within ruins.|
|Ruardean Castle||Fortified manor house||13th century||Fragment|
|St Briavel's Castle||Keep and bailey||13th century||Habitable||Youth hostel.|
|Sudeley Castle||Quadrangular castle||15th century||Restored||Restored as country house 19th century.|
|Thornbury Castle||Fortified house||c.1511||Substantially intact||Hotel||Restored 19th century.|