[2] The church is notable because of its green copper dome[3] which is considered a landmark in High Wycombe.

[4] The church was built in 1935–1938 by Gerald Wellesley, 7th Duke of Wellington and Trenwith Wills.

The newer adjacent church hall is leased to an adult additional-needs charity.

Jonny Dade was licensed by the Bishop of Buckingham as the Pioneer Minister to St Mary & St George (SMG) with a remit to lead 30 adults and children to plant a new congregation in SMG.

The worshipping style of the church is varied, with a traditional Eucharistic service alongside a newer contemporary family gathering with children's ministry.