Cadhay House is a Grade I listed building in the East Devon local planning authority area, England. First listed on 28 April 1952. A C16 House. 24 related planning applications.

Cadhay House

WRENN ID
lapsed-flagstone-quill
Grade
I
Local Planning Authority
East Devon
Constituency
Honiton and Sidmouth MP: Richard Foord (LD)
Country
England
Date first listed
28 April 1952
Type
House
Address
Cadhay House, Ottery St. Mary, EX11 1QT
OS grid reference
SY 089 962
Coordinates
50.75856, -3.29243
Source
Historic England listing

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

Description

Cadhay House is a Grade I listed stone mansion from the 16th century, built on the site of an earlier house. It is two storeys high with attics and features a slate roof. The north front has two stepped gables, each with an external chimney that has offsets. Flanking the slightly projecting two-storey porch, which also has a stepped gable, are two similar chimneys. The porch features a pedimented doorhood, and the door opening is surrounded by rusticated stonework.

Significant alterations were made by Peere Williams, who purchased the house in 1736, adding many Georgian features. The east front includes two flanking three-storey bays with gables, finials, and stone mullion windows, while the centre features a five-sided bay that houses the staircase. The garden front displays two gables with external chimneys and a central two-storey porch with three-centred arches on either side of the door.

At the heart of the building is an enclosed court known as the "Court of the Sovereigns," where carved figures of Henry VIII and his three children stand beneath fine ribbed canopies with pilasters over the doors on each side. Inside, the hall has been roofed over, but its original ceiling remains intact, featuring a beautifully coved plaster design. A well-crafted carved stone fireplace is present, and the hall's beams are visible in the room above, where the hammer beams have been removed but the semi-circular principals are moulded. The Elizabethan gallery is preserved on the first floor at the south side of the house. An article featuring illustrations of Cadhay House was published in Country Life on January 18, 1913.

Local climate

Cadhay House receives an average of 800 mm of rain a year. This makes it drier than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 69% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 8 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.
  • No sale records on file
  • Related listed building consents — 24 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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  6. The Dounthornes Grade II 1.0 km
  7. Raleigh House Grade II 1.0 km
  8. The Chanter's House Grade II* 1.0 km
  9. Town Mill and Circular Weir to North West Grade II 1.0 km
  10. Colby House Grade II* 1.0 km