C15, and in C19.
Chancel has triple and single plain lancet on north side of C12, 9- light east window atered from 7 lights in 1843.
St Mary's church is adjacent to Berkeley Castle and has a detached bell tower. The church which was founded in the 12th century is Grade I listed; see: https://historicengland.org.uk/listing/the-list/list-entry/1304581?section=official-list-entry.
North porch of 2 storeys built at 2 stages: lower stage C14 with rib vault with carved central boss and corner corbels and stepped diagonal buttresses and large ogee doorway, upper stage c1450 with twin ogee lights for priest's room to north and west and trefoil-head panelled parapet with pinnacles on north.
West end has 5 stepped round-headed lancets of mid C13 with 3 pointed moulded arches below under steep gables, and central cusped cinquefoil doorway.
Interior: pointed arcade with piers of clustered shafts and stiff- leaf capitals c1225-50, walls decorated with medieval patterns in red and black including fragment of Doom scene on chancel arch.
C15 timber roofs with chamfered and moulded beams carried on corbels.
Tall flattened pointed chancel arch with rood stair in pier to left and C12 piscina to right
C15 stone screen with large 2-centred arch containing 3 smaller cusped pointed arches with quatrefoil and mouchette over
C19 Reredos with 5 aedicules and statues, large inset ogee arch to left, and to right tomb of James, 11th Lord of Berkeley, died 1463, with Perpendicular canopy in archway through to Berkeley Chapel.
Generally C19 stained glass, fine tomb slabs of C17 and C18 throughout, and wall memorials.
In south arcade, large chest tomb of Thomas, 8th Lord of Berkeley, died 1361, and wife Katharine, died 1385.