The tower is probably late C13,
the N transept was added c.1320.
Tile roofs.
EXTERIOR Except for the medieval W tower, the exterior of the church is largely 1864-5 by Alfred Waterhouse , with a clerestory of round openings added in 1991-2.
Embattled 3-stage, tower, C14 remodelled and heightened in the later middle ages.
The N transept has reticulated tracery copying the medieval arrangement and an E door by Waterhouse.
C13 style lancets in chancel N wall by Waterhouse, replacing a different C13 lancet.
E window Perpendicular, copying the medieval original.
3-bay N and S nave arcades of the early C13, with short, round piers and double chamfered arches, partially rebuilt, with a similar arch into the N transept.
The 2-bay chancel arcade has early C13-style piers by Waterhouse, now rebuilt, with a piscina set into the E respond.
The N chapel largely survived the fire and has many good monuments.
Tall C15 tower arch with dying chamfered orders,
above it a late C13 two light window, now internal.
Some fragments of old glass reset in the S transept.
All other glass late C20 including S transept E window by John Hayward and E window by Lawrence Lee.
Very good monuments, including in the tower, an early grave slab with a cross
1613, an almost plain tomb chest
1615, a simple wall tablet.
Before the Waterhouse restoration, there were C12
early C13 windows in the chancel, and the arcades are C13.
1320 was the private chapel of the lords of Brasted Place until the early C20, and contains many tombs to residents of that house.
The church was damaged during WWII, when it lost most of its glass.
SOURCES Domesday Book, f.4r Lambeth Palace Library ICBS 06430 Newman, J, The Buildings of England: West Kent and the Weald , 171 Newman, N and Smith, C, The Parish Church of St Martin, Brasted: A Short Guide and History REASONS FOR DESIGNATION The church of St Martin, Brasted, is designated at Grade II* for the following principal reasons: * Very good C13 core, surviving despite several restorations. * Excellent exterior, including outstanding