major C12
Rubble, including masonry reused from Roman buildings, ashlar details.
The standing remains comprise the north wall of the Saxon church remodelled in the C12 with the insertion of an arcade when the nave was enlarged by the addition of aisles.
SO8319 : St Oswald's Anglo-Saxon Minster and Medieval Priory, Gloucester
EXTERIOR: four early C12 bays with round arches on piers with scalloped capitals: bays to west infilled with reset with reset C12 masonry (including two blocks with chevron)
C15 doorway with moulded surround
projecting as spur to north-east is early C13 arch and wall with scalloped capitals.
Two early C13 bays to the west with higher pointed arches
worn foliate capitals: infilled in rubble and ashlar, with early C16 three-light and 2-light stone-mullioned windows with sunk spandrels
The form of the Anglo-Saxon church has been established by Heighway.