It is built of ragstone rubble and flint, with dressings of Reigate stone and limestone.
[2] The tower is from the late 11th century, as evidenced by the bell-openings and blind arcading, and inside, the arch with a single order of decoration on each side.
Nikolaus Pevsner calls it "one of the most important Early Norman monuments in the county".
[3] 19th-century restoration included work in 1843 by George Gilbert Scott, and the south porch and the vestry are also from that century.
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