At the time of the Domesday Book, Sandon was one of a number of manors in Hertfordshire which belonged to St Paul's Cathedral.

The manor remained in the cathedral's ownership until the 19th century.

[2] The cathedral entered into a contract in 1348 to rebuild the chancel of All Saints'.

This appears to be the earliest surviving part of the present church.

This article about a church or other Christian place of worship in England is a stub.