Castle House is a Grade II listed building in the Sevenoaks local planning authority area, England. First listed on 16 January 1975. House. 8 related planning applications.

Castle House

WRENN ID
steep-rood-sparrow
Grade
II
Local Planning Authority
Sevenoaks
Constituency
Sevenoaks MP: Laura Trott (Con)
Country
England
Date first listed
16 January 1975
Type
House
Address
Castle House, Knockholt Main Road, TN14 7JE
OS grid reference
TQ 482 598
Coordinates
51.3182, 0.12604
Source
Historic England listing

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

Description

Castle House is an early 19th-century Gothick house located on the north-west side of Knockholt Main Road. The building is two storeys high and features five windows. The left bay has a segmental bow. It has a low-pitched, hipped slate roof and the front is made of Roman cement, topped with a battlemented parapet and a brick plinth. On the first floor, there are recessed sash windows with glazing bars, while the ground floor has similar windows with vertical bars. The bow contains a round-headed sash window. The entrance features a five-panel door, with the top panel being glazed, set in a panelled reveal with a reeded architrave, all beneath a leaded cornice hood.

Local climate

Castle House receives an average of 750 mm of rain a year. This makes it drier than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 71% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 18 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
  • Related listed building consents — 8 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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