It was built about 1020, and is described in the listing text as an "almost complete two-cell Saxon church".

The stone sundial, to the right of the south porch, is a Saxon tide dial.

[2][3][4][5] In the south-east of the chancel is a stone seat, thought to date from the 13th century.

[3][4] There was restoration in 1905 by Sir Thomas Jackson, including the top of the west gable, which has a diaper brick and flint pattern.

They are on the west side of the chancel arch, showing the expulsion from the Garden of Eden; and on the north, south and west walls of the chancel, showing legendary stories from the life of St Swithun.