Blyth House is a Grade II listed building in the West Northamptonshire local planning authority area, England. First listed on 20 November 1985. Farmhouse.
Blyth House
- WRENN ID
- seventh-hearth-sorrel
- Grade
- II
- Local Planning Authority
- West Northamptonshire
- Constituency
- Daventry MP: Stuart Andrew (Con)
- Country
- England
- Date first listed
- 20 November 1985
- Type
- Farmhouse
- Address
- Blyth House, Swinnertons Lane, Yelvertoft
- OS grid reference
- SP 598 756
- Coordinates
- 52.3754, -1.12284
- Source
- Historic England listing
Description
Blyth House is a farmhouse that has been converted into a house, dating from the mid-18th century. It is constructed of painted brick with ashlar dressings and features a slate roof. The building has a three-unit plan and stands two storeys high with an attic. The façade includes a five-window range of 20th-century casements set in original openings, all under flat brick arches. To the left of the centre, there is a double-panel folding plank door with large strap hinges and a fanlight above that has glazing bars. The exterior is enhanced by rusticated ashlar quoins, a flat string course between the storeys, and a moulded stone cornice. The gables are adorned with ashlar parapets and kneelers, while brick stacks are positioned at the ridge and ends. The left gable features a weathered ashlar tablet with a cornice.
Inside, the room to the right of the entrance has moulded ceiling beams, and the room at the far right retains the remains of an open fireplace.
Local climate
Blyth 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 72% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 75% of listed buildings. Of these, 19 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
- 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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