Offley Holes Farmhouse is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 27 May 1968. House. 4 related planning applications.

Offley Holes Farmhouse

WRENN ID
sharp-sill-hawk
Grade
II
Local Planning Authority
North Hertfordshire
Constituency
Hitchin MP: Alistair Strathern (Lab)
Country
England
Date first listed
27 May 1968
Type
House
Address
Offley Holes Farmhouse, Preston, SG4 7TD
OS grid reference
TL 167 263
Coordinates
51.92349, -0.30417
Source
Historic England listing

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

Description

House. Built around 1700, with alterations and a northwest wing added in the early 19th century. The later addition gives the impression of a double-fronted house when viewed from the north, along the drive to Offley Holes mansion, which no longer exists. The house is constructed of red brick in a Flemish bond pattern, with the front painted. It has a steeply pitched roof of old red tiles, with slate on the northwest wing. It is a long, two-story house with a cellar and attics, situated at the back of a farmyard facing east.

The east front has a plinth, plat-band and moulded brick corbels to the kneelers of the gable parapets. The window arrangement has been altered, with some blocked or changed openings. The current pattern features three windows on each floor. The windows are flush box sashes with 6 over 6 panes. There are two gabled dormers in the roof slope, each with a 3-light leaded casement. The main entrance is located between the first and second windows from the north, with a projecting Tuscan porch supported by two columns and a dentilled triangular pediment. A smaller door is positioned between the other windows, leading into a south service bay. Both doors are half-glazed with small panes.

The house originally consisted of a two-cell plan with end chimneys, a central entrance, and a single-cell south kitchen with its own gable stack and a domed brick oven projecting to the south, under a lean-to roof. A rear lean-to is attached to the same south bay. A short, parallel northwest rear wing has a south gable chimney. The side of the wing facing north deliberately replicates the west gable parapet of the original house. Painted representations of tall windows have been added to the older gable end, creating the appearance of a four-window wide, two-story and cellar house from the north. The 18th-century gable chimney has a recessed segmental headed recess near the top.

Steps lead eastward to a projecting square, early 19th-century glazed timber porch with elaborate margin-light glazing, reeded pilasters, and a wide mutuled cornice. An original 3-light, early 18th-century mullioned, leaded casement with rectangular quarries can be found at the rear.

Local climate

Offley Holes 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 82% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 76% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 60% 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 2006
  • Related listed building consents — 4 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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