Windmill House is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 5 November 1973. A Early Modern House. 4 related planning applications.

Windmill House

WRENN ID
tangled-gravel-thistle
Grade
II
Local Planning Authority
South Downs National Park
Constituency
Arundel and South Downs MP: Andrew Griffith (Con)
Country
England
Date first listed
5 November 1973
Type
House
Period
Early Modern
Address
Windmill House, High Street, Petworth, Chichester, GU28 0AU
OS grid reference
SU 977 215
Coordinates
50.98545, -0.6081
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Windmill House is a house, originating as two cottages, dating to the 17th century or earlier. It is a timber-framed building, with the ground floor faced in stucco and the upper portion tile-hung. The roof is steeply pitched and hipped, covered with tiles, and has a pentice behind. It has casement windows, is three storeys high, and has two windows.

Local climate

Windmill House 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 2002
  • Related listed building consents — 4 applications
  • 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. Nos 347 Leconfield Estate Grade II 17 m
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  4. Petworth Cottage Museum and Ricketts Cottage Grade II 21 m
  5. Fairfield Cottage and The Club Room Grade II 32 m
  6. Coppards and Corner Cottage Grade II 36 m
  7. Quoinstones Grade II 37 m
  8. Fairview House and The Mill House Grade II 39 m
  9. The Premises Occupied by Derek Hand, Antiques Grade II 43 m
  10. Stoney Croft Grade II 44 m