Lower Farm Farmhouse is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 6 November 1974. Farmhouse.

Lower Farm Farmhouse

WRENN ID
knotted-quoin-tide
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
6 November 1974
Type
Farmhouse
Address
Lower Farm Farmhouse, 2, Bell Lane, North Mymms
OS grid reference
TL 252 053
Coordinates
51.73278, -0.18745
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Lower Farm Farmhouse is a farmhouse dating from around 1600 for the front range, with a back parallel range on the left from the 17th century. It is timber framed with brick infill and has plain tile roofs. The building is two storeys high with small attic windows in the gable ends and features four bays at the front. Many original openings have been preserved, including two 2-light square diamond-mullioned windows on the first floor. There are blocked and open 16th-century window frames on the left and right sides of the ground floor center. The farmhouse also includes three 19th-century casement and sash windows on both floors, with a canted sash bay on the right side of the ground floor. A large rebuilt chimney stack is located above an 18th-century door at the right center, with a narrower stack on the left center. The rear range has a terminal 17th-century chimney stack, and there is a circa 1975 extension at the back. Additionally, there are two 4-centre sash chimney breasts on the right side of the ground floor.

Local climate

Lower Farm Farmhouse sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 91% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 90% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 54% of listed buildings. Of these, 15 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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