The chancel was enlarged in the fourteenth century. The tower and clerestory were also added in the fourteenth century. The church was rebuilt in the late 1870s giving it the current flint exterior [1].
St Nicholas' proximity to the Prime Minister's official residence at Chequers means that the odd leader has signed it's visitor book over the years.
[1] Nikolaus Pevsner, Buckinghamshire (Penguin, 1960) p. 144
