aisles widened and extended to engage tower in C14
chancel rebuilt, south transept extended to east and north chapel and nave clerestory added in C15
c.1630 north porch
Chancel roof 1638 by Robert Barker for Rector John Cosin.
Interior: Pointed double-chamfered arches to tower, 3-bay nave arcades and chancel, the latter arch moved one bay to east in late C13.
Woodwork: Reredos re-uses C15 Perpendicular panelling.
Altar in south transept by Thompson of Kilburn made from C14 Flemish chest with Flamboyant tracery.
2) conscious Gothic Revival with poppyheads, tracery, some Classical motifs and strapwork (font cover, rood screen, choir stalls and chancel panelling).
1628 6-leg Communion table and contemporary rail.
2 carved wood fragments above chancel arch: 1) with Gothic ribs, cresting and Instruments of the Passion (possibly contemporary with the Cosin fittings)
Font cover raised on 4 iron posts in 1972 by G.G. Pace.
Monuments.
Large cross-legged stone effigy of Robert Neville died 1319.
Recumbent wood effigies of Ralph Neville died 1484 and his wife.
Stone tomb chest of Ralph Neville died 1523.
Glass: 3 possible Flemish roundels in north aisle window
Note: John Cosin , Rector of Brancepeth 1620-46 and Bishop of Durham 1660-72, was responsible for sumptuous fittings in several churches in the County including the Cathedral.