The present church was entirely rebuilt about 1450, its refoundation being traditionally ascribed to the munificence of the two maiden daughters of the last Thomas Pever, who died in 1429. The only remains from the former church are the late 12thcentury font and some 12th-century moulded stones, re-used in the rear arches of the windows of the north porch. As might be expected in the case of a building erected at a single period, the whole work is carried out in a most complete and elaborate manner, and may challenge comparison with any existing examples of contemporary date in the country. The vestry, porches, and ground stage of the tower are fan-vaulted, and the design of the tower itself is especially remarkable for the boldness and originality displayed in the design of the two upper stages. The walling throughout is of limestone rubble, the south wall of the chancel and the walls of the original vestry being covered with rough-cast. The building was restored in 1882–7, when the vestry was enlarged by the westward extension, which touches the south-east angle of the nave.

http://www.northbuckinghamparish.org.uk/content/pages/documents/1476344148.pdf