The Parish Church of St Mary is a Grade II* listed building in the South Downs National Park local planning authority area, England. First listed on 15 March 1955. A Medieval Church.

The Parish Church of St Mary

WRENN ID
broken-gallery-wind
Grade
II*
Local Planning Authority
South Downs National Park
Constituency
Arundel and South Downs MP: Andrew Griffith (Con)
Country
England
Date first listed
15 March 1955
Type
Church
Period
Medieval
Address
The Parish Church of St Mary, Wiston, Horsham
OS grid reference
TQ 155 123
Coordinates
50.89946, -0.35834
Source
Historic England listing

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

Description

The Parish Church of St Mary is located in Wiston and features a chancel, south chapel, twin naves, and a west tower. The church mainly dates from the 14th century but underwent significant restoration by G M Hills in 1862. Inside the south chapel, there is a brass memorial from 1426 dedicated to Sir John de Braose, as well as tombs belonging to the Shirley family, who were the owners of Wiston House.

Local climate

The Parish Church of St Mary receives an average of 810 mm of rain a year. This makes it drier than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 6 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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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  2. Round Robin Lodge to Wiston Park Grade II 571 m
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  4. The Roundhouse, in the Grounds of the Old Rectory Grade II 1.0 km
  5. Malthouse Grade II 1.0 km
  6. The Old Rectory Grade II 1.1 km
  7. Horsebrook Cottage Grade II 1.1 km
  8. Weppons House Grade II 1.3 km
  9. 1 and 2 Charlton Court Cottages Grade II 1.4 km
  10. The Old School Grade II 1.5 km