Seymore House is a Grade II listed building in the Vale of White Horse local planning authority area, England. First listed on 24 November 1966. House. 1 related planning application.
Seymore House
- WRENN ID
- gilded-mortar-coral
- Grade
- II
- Local Planning Authority
- Vale of White Horse
- Constituency
- Didcot and Wantage MP: Olly Glover (LD)
- Country
- England
- Date first listed
- 24 November 1966
- Type
- House
- Address
- Seymore House, Jennings Lane, Harwell, OX11 0EP
- OS grid reference
- SU 493 892
- Coordinates
- 51.59997, -1.28951
- Source
- Historic England listing
Description
Seymour House is a house that dates back to around 1530 for the cross-wing and around 1580 for the main range. It features a rendered plinth and small timber-framing with rendered in-fill, topped with a 20th-century plain-tile roof that is hipped to the right. The building is two stories tall with a three-window range, and there is a single-storey and attic cross-wing to the right.
The entrance consists of a six-panel door located to the left of center, which is sheltered by a flat hood supported by brackets. To the right of the door, there is a three-light casement window, while the end of the cross-wing has a two-light casement. On the first floor, there are three-light casements, and there is a blocked window with diagonally set mullions to the left of center. The gable end of the cross-wing features a two-light casement and a raised cruck truss.
On the left return, there is a double Queen-post roof truss at the gable end. To the right, there is a 17th-century addition made of painted coursed stone-rubble with a 20th-century plain-tile roof, which is single-storey and attic with a two-window range and two 19th-century casements. Although the interior has not been inspected, it is likely to be of interest. This house is a rare example of an original two-storey cruck range forming a cross-wing.
Local climate
Seymore House sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 79% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 69% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 51% of listed buildings. Of these, 15 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 — 4 transactions since 2010
- Related listed building consents — 1 application
- 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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