Grist House Farm is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 19 March 1987. Farmhouse. 2 related planning applications.

Grist House Farm

WRENN ID
ruined-timber-alder
Grade
II
Local Planning Authority
Dacorum
Constituency
Harpenden and Berkhamsted MP: Victoria Collins (LD)
Country
England
Date first listed
19 March 1987
Type
Farmhouse
Address
Grist House Farm, Leighton Buzzard Road (A4146), Great Gaddesden, HP1 3BD
OS grid reference
TL 044 099
Coordinates
51.77829, -0.48761
Source
Historic England listing

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

Description

Grist House Farm is a farmhouse that has been converted into a private house, dating from around 1700. It features a northwest extension at the angle of the house and a rear wing added around 1800, along with a brick rear wall. The structure has a timber frame set on a brick sill in Flemish bond, with the lower sill on the south side in English bond. The exterior is roughcast on the front and sides, while the rear wall is made of red brick. The building has a steep hipped roof covered with old red tiles, and there is a slate-roofed lean-to on the north end, as well as a rustic timber loggia with two bays on the south end.

This square, two-storey house with a cellar is set back from the road and faces east, featuring two windows on each floor. The windows are flush box sash with two over two panes, with the ground floor windows being deeper. The central entrance has a half-glazed early 19th-century flush beaded panelled door, which is surrounded by a moulded wooden frame and topped with a later gabled rustic porch. Originally, the house was L-shaped with two windows and a central chimney in the south range. It has transomed two-light casement windows and has been extended to a square double-pile plan, with chimneys located on the mid-wall and a central entrance leading to the staircase. Inside, the house features unjowled posts in the frame, chamfered axial beams in the front range, and an original moulded plank door.

Local climate

Grist House Farm 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 78% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 77% of listed buildings.

It experiences an average of 36 freeze-thaw cycles a year, more than 64% 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 1997
  • 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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