Wood shingles to tower, plain tile roofs to rest.
West tower: C13.
Medieval west doorway inserted 1858 and said to have come from Teston church
Nave: c.1438 or slightly earlier.
Three tall C15 south windows virtually filling bays between buttresses, moulded, with cambered heads, three cinquefoil-headed lights, tracery of vertical bars, and moulded hoodmoulds with pendant ends.
South porch: c.1496.
One moulded pointed-arched C15 south window set towards west end, with cinquefoil-headed lights, tracery of vertical bars, and hoodmould.
Pointed-arched cavetto-moulded C15 east window, with three cinquefoil-headed lights, tracery of vertical bars and quatrefoils, and moulded hoodmould.
Medieval window from Teston church inserted above chancel arch in 1858
Fittings: C15 wooden screen from Teston Church (now under tower) of four traceried two-light panels with moulded mullions
Octagonal stone font on broadly-chamfered stem and plinth.
TQ6852 : Nettlestead, St. Mary's Church: The font
Stained glass: central north window of c.1438, depicting St. Thomas, St. Bartholomew and St. Matthew, with canopy work (two heads renewed).
A fairly rare depiction of St Thomas à Becket returning from exile. Monks are seen on the left. The painting is quite faded.
C15 tracery glass, of angels holding heraldic shields, in all six nave windows and east chancel window.
North chancel window (1460s?) with St. Stephen and St. Lawrence on a decorative ground, with angels and beasts in the tracery.
North-east nave window 1894 by T.F.Curtis, in a convincing C15 style, depicting St. Simon, St. Matthias and St. Thaddeus with canopies.
kneeling woman and child in round-headed recess with Tudor roses to soffit and heraldic shields to spandrels, flanked by Corinthian capitals.
John or Reginald Pympe of Nettlestead Place (q.v.) put glass in nave c.1438 and (John's son?) left money for porch c.1496.