It is the second church building on the site and was constructed using the stones from nearby Snelshall Priory, after the first St. Giles's fell wholly into decay.

After the Norman Conquest in 1066, land at Tattenhoe had been given by William the Conqueror to three of his Lords, Earl Hugh of Chester, Richard Ingania and Urse de Bersers.

For 460 years St Giles's was kept open for worship by the families living at the three farms and by worshippers from neighbouring villages including Whaddon, Newton Longville, Shenley and Loughton.

They walked across the fields on summer Sunday evenings to make sure the church stayed in use for worship and for future generations.

In late 1999 the Churchwardens invited Immanuel, a new congregation within the Watling Valley Ecumenical Partnership, to hold weekly services at St. Giles's.

The church has recently been extensively redecorated, with the walls repainted and the pews and other woodwork grained in traditional style.