Church of St Mary is a Grade II* listed building in the South Oxfordshire local planning authority area, England. First listed on 9 February 1959. A Medieval Church.

Church of St Mary

WRENN ID
rooted-zinc-ivy
Grade
II*
Local Planning Authority
South Oxfordshire
Constituency
Henley and Thame MP: Freddie van Mierlo (LD)
Country
England
Date first listed
9 February 1959
Type
Church
Period
Medieval
Address
Church of St Mary, Crowmarsh
OS grid reference
SU 610 884
Coordinates
51.59195, -1.12028
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Church of St Mary is a Grade II* listed building located in Crowmarsh Newnham. It dates from the 12th century, with alterations from the 13th century and restoration completed in 1849. The church is constructed of flint with stone dressings and has a plain tile roof. It features a nave and chancel layout, with a south aisle and a porch on the north side. The 19th-century porch has a flint base and is timber framed with a gabled tiled roof, while a single lancet window is located to the left. The chancel has two lancet windows, and there is a 19th-century bellcote on the right return gable. A three-light plate tracery window is found on the left return, and there are additional lancets at the rear. Inside, there is a piscina set in a trefoiled recess to the right of the chancel and a double aumbry to the left. The chancel arch is Romanesque and includes a squint to the right. The roof is likely a 14th-century crown post design without a crown plate. A late 16th-century brass is mounted on the wall of the aisle.

Local climate

Church of St Mary sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 75% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 65% 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.

More on this building

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