Penns in the Rocks is a Grade II* listed building in the Wealden local planning authority area, England. First listed on 26 November 1953. A Post-Medieval House.
Penns in the Rocks
- WRENN ID
- rooted-pinnacle-starling
- Grade
- II*
- Local Planning Authority
- Wealden
- Constituency
- Sussex Weald MP: Ms Nusrat Ghani (Con)
- Country
- England
- Date first listed
- 26 November 1953
- Type
- House
- Period
- Post-Medieval
- Address
- Penns in the Rocks, Withyham
- OS grid reference
- TQ 520 346
- Coordinates
- 51.09061, 0.17038
- Source
- Historic England listing
Description
Penns-in-the-Rocks is a Grade II* listed house located in Withyham, Groombridge. The core of the house was built around 1700 by William Penn of Pennsylvania and his wife Guilelma Springett, as part of her estate. The main front, facing south, was constructed by William Penn IV around 1737. The building has two storeys and an attic, featuring seven windows and four dormers. It is made of red brick with a tiled roof. The windows are framed with architrave surrounds and keystones, and they retain their glazing bars. The central section, which has five window bays, projects slightly, while the flanking sections, originally one storey, were raised in 1830. Each section has long and short stone quoins. The entrance features a rusticated stone doorway with a keystone and a door made of six fielded panels. The north front, which serves as the entrance, dates back to 1700, while the projecting wings that create a half-H shape were added by Stephen Beeching in 1830.
Local climate
Penns in the Rocks receives an average of 760 mm of rain a year. This makes it drier than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 65% of listed buildings. Of these, 14 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.
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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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