Old Denne is a Grade II listed building in the Horsham local planning authority area, England. First listed on 28 November 1980. House. 3 related planning applications.
Old Denne
- WRENN ID
- tangled-parapet-thunder
- Grade
- II
- Local Planning Authority
- Horsham
- Constituency
- Horsham MP: John Milne (LD)
- Country
- England
- Date first listed
- 28 November 1980
- Type
- House
- Address
- Old Denne, Byfleets Lane, Warnham, RH12 3PD
- OS grid reference
- TQ 147 329
- Coordinates
- 51.08413, -0.36325
- Source
- Historic England listing
Description
Old Denne is a 17th-century or earlier timber-framed building, originally a two-storey, two-window structure. The upper floor is tile-hung. The roof is covered with Horsham slabs. Casement windows are present, and an ashlar chimney breast is located at the south end. A two-window-bay section was added to the north end at a later date. The original timber frame is filled with plaster.
Local climate
Old Denne receives an average of 740 mm of rain a year. This makes it drier than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 53% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 13 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 — 2 transactions since 1995
- Related listed building consents — 3 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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