Knapp Farmhouse is a Grade II listed building in the South Oxfordshire local planning authority area, England. First listed on 28 February 1979. Farmhouse. 2 related planning applications.

Knapp Farmhouse

WRENN ID
guardian-doorway-jet
Grade
II
Local Planning Authority
South Oxfordshire
Constituency
Henley and Thame MP: Freddie van Mierlo (LD)
Country
England
Date first listed
28 February 1979
Type
Farmhouse
Address
Knapp Farmhouse, Weston Road, Lewknor, OX49 5TU
OS grid reference
SU 713 975
Coordinates
51.67244, -0.96915
Source
Historic England listing

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

Description

Knapp Farmhouse is a farmhouse that has been converted into a house. It dates from the 17th century and was remodeled and extended in the mid-19th century. The right gable features rectangular timber framing, while the rest of the front is covered in mid-19th century colourwashed brick, with the left gable wall clad in tiles. The building has a gabled roof covered with old tiles, a brick stack at the left end, and a large ridge stack. It has an L-shaped plan with a right wing and consists of one storey and an attic, with a four-window range. There are flat brick arches over a 20th-century door and 19th-century sash windows, along with two 20th-century dormers. The right gable wall includes a 20th-century door and two-light casements. A mid-19th century extension at the rear creates a double-depth plan. The interior has not been inspected but is likely to be of interest.

Local climate

Knapp Farmhouse 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 80% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 78% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 73% 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 — 2 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. Church of St Margaret Grade I 205 m
  7. Lewknor Church of England School Grade II 240 m
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  10. The Manor House Grade II 384 m