Church of St Mary is a Grade II* listed building in the Buckinghamshire local planning authority area, England. First listed on 13 July 1966. A Medieval Church.
Church of St Mary
- WRENN ID
- former-span-moth
- Grade
- II*
- Local Planning Authority
- Buckinghamshire
- Constituency
- Buckingham and Bletchley MP: Callum Anderson (Lab)
- Country
- England
- Date first listed
- 13 July 1966
- Type
- Church
- Period
- Medieval
- Address
- Church of St Mary, Church Lane, Thornborough
- OS grid reference
- SP 743 336
- Coordinates
- 51.99641, -0.91897
- Source
- Historic England listing
Description
The Church of St. Mary is a parish church with architectural elements dating from the 11th to the 12th century, including remnants of herringbone stonework in the south wall of the nave. The chancel and north aisle are from the 13th century, while the west tower and porch were added in the 15th century. The church has undergone significant restoration in the 18th and 19th centuries. It is constructed of rubble stone with slate roofs on the nave and north aisle, and an old tile roof on the chancel.
The west tower has three stages, featuring angled buttresses, a rendered battlemented parapet, a moulded arch at the west door, and traceried openings in the bell chamber. The south wall of the nave includes a parapet and three Perpendicular windows, while the north wall has a parapet and three circular cusped clerestory lights, originally from the 14th century. The north aisle contains two Perpendicular windows and a doorway, along with a two-light Decorated window to the west, which has carved head label stops. A 19th-century vestry is located in the angle with the tower.
The south wall of the chancel features an original two-light window with ogee tracery and a flat hood-mould with volute stops, along with similar tracery above the door. The north wall has a half-blocked traceried window, and the east window is a three-light design with intersecting tracery.
Inside, the nave has a north arcade with four bays of double chamfered arches supported by octagonal piers with moulded caps, and a 19th-century roof. The church contains 19th-century fittings, a brass memorial to William Barton and his wife from 1389, and 18th-century wall tablets, including a pyramid tablet dedicated to Charles Wodnoth from 1778.
Local climate
Church of St Mary sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 81% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 52% of listed buildings. Of these, 16 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
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- Detailed attributes — period, style, materials, features
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