Hardham House is a Grade II listed building in the South Downs National Park local planning authority area, England. First listed on 9 May 1980. House.
Hardham House
- WRENN ID
- stark-chalk-stoat
- Grade
- II
- Local Planning Authority
- South Downs National Park
- Constituency
- Arundel and South Downs MP: Andrew Griffith (Con)
- Country
- England
- Date first listed
- 9 May 1980
- Type
- House
- Address
- Hardham House, London Road, Coldwaltham, Horsham
- OS grid reference
- TQ 035 175
- Coordinates
- 50.94809, -0.52698
- Source
- Historic England listing
Description
Hardham House is a building consisting of two parallel ranges. The north range dates from the 18th century and features a tiled roof, while the south range is from the early 19th century and has a slate roof. Both ranges are constructed from Pulborough stone rubble, with some courses of ironstone in the 18th-century range, and red brick dressings and quoins on both. The windows retain their glazing bars. The entrance includes a doorway with pilasters, a projecting cornice, and a door made up of six fielded panels.
Local climate
Hardham House 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 89% 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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- 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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