The church is made up of snecked rubble stone and features ashlar dressings and a plain tiled roof.

[1] The church hall is similarly styled in ashlar dressings, which have been diagonally tooled, and features two bays of three-light mullioned windows.

[3]: 97  The need for a new Church of England place of worship was precipitated by the influx of Anglicans to the southern edges of Hemel Hempstead following the construction of the railway from London.

[2] A request was made by Revd A.C. Richings in 1865 to the Box Moor Trust enquiring if it would be possible to build on Roughdown Common, a proposal which never came to pass.

There is a large modern brass on the south wall of the nave commemorating the family of lawyer Edward Mitchell-Innes whose house, known as 'Churchill', once stood to the north of the church.