Knowlhill Farmhouse is a Grade II listed building in the Windsor and Maidenhead local planning authority area, England. First listed on 11 April 1972. A C15 Farmhouse. 1 related planning application.
Knowlhill Farmhouse
- WRENN ID
- unlit-lantern-azure
- Grade
- II
- Local Planning Authority
- Windsor and Maidenhead
- Constituency
- Maidenhead MP: Mr Joshua Reynolds (LD)
- Country
- England
- Date first listed
- 11 April 1972
- Type
- Farmhouse
- Address
- Knowlhill Farmhouse, Knowl Hill, Hurley, RG10 9YE
- OS grid reference
- SU 825 792
- Coordinates
- 51.50579, -0.81235
- Source
- Historic England listing
Description
Knowlhill Farmhouse is a hall house that has been converted into a farmhouse. It dates from the 15th century and 17th century, with alterations and extensions made in the 19th century. The building features a combination of timber framing encased in roughcast and brick, topped with an old tile gabled roof. It has a T-plan layout, with a catslide roof over an outshut and a gabled extension at the rear. The front section consists of four framed bays, with the middle two originally serving as the hall. The farmhouse is two storeys high, with an attic in part of it. There are two chimneys: one on the ridge of the extension and one on the left gable of the older section.
The north-facing front is irregular and finished in roughcast. On the first floor, there are two 20th-century three-light casements and one single-light casement. The ground floor features two two-light casements and one lower three-light casement. The entrance door, which is also from the 20th century, has four panels and is set in a moulded doorcase within a hipped porch supported by brick piers.
The south-facing rear front is constructed of brick on a flint plinth. It has recessed panels with dentil heads on the first floor and a projecting string course above the ground-floor windows that serves as a hood mould. There is a moulded brick cornice on the gable. The gable features a 20th-century three-light casement window set in moulded architraves, and the first-floor window has a segmental pediment head. A moulded brick mullion window on the eastern return is now blocked. Inside, some of the timber frame is visible, with jowled posts. The middle roof truss has arched brackets supporting the tie, while the other two trusses have redundant crown posts and clasped purlins.
Local climate
Knowlhill Farmhouse sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 83% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 81% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, fewer than 52% of listed buildings. Of these, 14 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 — 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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