3-phase C13 remodelling: chancel rebuilt and north nave aisle added
Rubble with re-used Roman material, except for squared stone of chancel and snecked stone of C19/20 parts
East wall of south transept shows 3-light C13 window,with intersecting tracery, and square-headed light to north.
but C13 walling and 2 single-light windows (one now hidden by organ chamber) survive further west.
C12 south door has round arch of 2 chevron-moulded orders on shafts with fluted caps.
Unmoulded round-headed tower arch on moulded imposts (southern cut back) is thought to be re-set Roman feature.
Segmental-arched tomb recess on north of north transept with inscribed medieval slab
Late C13 slab with foliate cross and shears re-used as lintel of low-side.
Several medieval cross slabs in paving including important inscribed example in south transept
Good early C20 glass in south transept ('Dorcas window') and south porch.
Northumberland County History X 178-198 H.M. & J. Taylor, 'Anglo Saxon Architecture' Vol. 1 172-176