Heydon House is a Grade II listed building in the South Cambridgeshire local planning authority area, England. First listed on 20 August 1980. House. 9 related planning applications.
Heydon House
- WRENN ID
- ancient-moulding-blackthorn
- Grade
- II
- Local Planning Authority
- South Cambridgeshire
- Constituency
- South Cambridgeshire MP: Pippa Heylings (LD)
- Country
- England
- Date first listed
- 20 August 1980
- Type
- House
- Address
- Heydon House, Heydon Lane, SG8 8QB
- OS grid reference
- TL 433 400
- Coordinates
- 52.0407, 0.08828
- Source
- Historic England listing
Description
Heydon House is an early 19th-century house situated on the site of a former manor house, enclosed by a moat on its northern, eastern, and western sides. The house is constructed of stuccoed brick with red brick stacks and has low-pitched, slated hipped roofs. It is two storeys high with cellars. The five-bay south facade features a recessed service wing of two bays to the west. Five tall, rectangular stacks, each with three rectangular shafts and a common entablature, are a prominent feature. A band delineates the floors on the south elevation, with the central bay slightly advanced. A garden entrance is accessed by stone steps leading to a French casement window with a patterned fanlight, both set within a continuous moulded round-headed arch. Seven recessed sash windows, with slender glazing bars, are spaced evenly across the ground and first floors. The north-facing elevation features a main entrance with a large, glazed panelled door and an open portico supported by slender Doric columns. The interior retains original features.
Local climate
Heydon House sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 91% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 79% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 54% of listed buildings. Of these, 17 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 — 1 transaction since 2025
- Related listed building consents — 9 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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