It serves the Ecclesiastical Parish of Horncastle and a grade II* listed building that was heavily restored by Ewan Christian between 1859 and 1861.

This appears to have been succeeded by a Saxon Minster, although construction of the present building started c.1250.

The building appears to have experienced two major works of restoration:[3] Whilst remaining in regular use as the Parish Church of Horncastle, by 2001 a Roman Catholic congregation was also using the building for its Mass on Saturday evenings at 6:00 pm and continues to have Mass there at that time.

[4] The building is dominated by three architectural styles:[1][3] There are also some Georgian influences (such as the heavily restored 14th century piscina, which may be found in the chancel's south wall).

[5] This benefice is sub divided into three groups: These include: Website for Catholics http://www.catholicchurchwoodhallspa.org