Located on the north side of Market Square in Kirkby Stephen is the parish church of St Stephen. Rebuilt in the early 13th century, the church is constructed of coursed squared rubble and ashlar. The 16th century west tower is of three stages and features an embattled parapet with pinnacles.

The church features a clerestory detailing double and triple mullioned windows which date to the 19th century.

The church features a seven bay nave with much of the interior stonework replaced or reworked during the 19th century.

The aisles have 15th century windows with tracery which dates to the 19th century.

The ornately decorated pulpit is constructed of various coloured marble and dates to c1871. The Church of St Stephen is Grade II* Listed.