The Old Estate Office is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 22 February 1955. Office.
The Old Estate Office
- WRENN ID
- twelfth-tin-lake
- Grade
- II
- Local Planning Authority
- South Downs National Park
- Constituency
- Arundel and South Downs MP: Andrew Griffith (Con)
- Country
- England
- Date first listed
- 22 February 1955
- Type
- Office
- Address
- The Old Estate Office, Petworth, Chichester
- OS grid reference
- SU 976 218
- Coordinates
- 50.98789, -0.61034
- Source
- Historic England listing
Description
The Old Estate Office is an office building located at Petworth House, originally constructed by the Duke of Somerset in the early 18th century. The building was significantly enlarged on the east side by Anthony Salvin between 1868 and 1872, during which it was connected to the main house by a porte cochere. It is a single-storey structure featuring two windows on its west-facing side, built of ashlar with a slate roof. Additionally, it connects to the Servants' wing via a small corridor that has two windows.
Local climate
The Old Estate Office receives an average of 750 mm of rain a year. This makes it drier than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 63% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 12 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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