7, Walnut Tree Road is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 24 October 1988. House.

7, Walnut Tree Road

WRENN ID
gentle-span-grain
Grade
II
Local Planning Authority
North Hertfordshire
Constituency
Hitchin MP: Alistair Strathern (Lab)
Country
England
Date first listed
24 October 1988
Type
House
Address
7, Walnut Tree Road, Pirton
OS grid reference
TL 148 316
Coordinates
51.97145, -0.32889
Source
Historic England listing

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

Description

7 Walnut Tree Road is a house that has been divided into two homes. It dates back to the 16th century, with the west wing added in the 17th century and renovations made in the early 18th century. The building features a timber frame covered in roughcast and has a steep old red tiled roof, while the rear slope of the west wing is slated.

The house is arranged with two cells and is one and a half storeys tall, facing east. The taller single-bay, two-storey and attic west parlour wing faces north (which is now No. 9). The north front has a two-light casement window on each floor in both parts of the building, with a door to the left of each window. There is a large red brick external chimney from the 17th century on the west gable of the wing.

To the south end of the east range, there is a lean-to extension that consists of two bays and was originally open to the roof. The addition of a floor required the cutting of a tie-beam, which has been encased in the middle of the inserted central chimney that features back-to-back fireplaces and a stair on the west side. Inside, there are exposed timbers of the tie-beam and collar in the front wall, along with a clasped-purlin roof. The building includes jowled posts, unjowled mid-bay posts, and straight tension braces.

The north room has chamfered and stopped joists and an axial beam, along with two two-panel fielded doors with H-hinges. The later wing has a catslide rear outshut, with the structural rear wall exposed and featuring heavy curved tension braces. The axial beams support the floors, and the roof has jowled posts, a clasped-purlin structure, and thin straight wind-braces. The east gable is dark weatherboarded and sits over the roof of the east range.

Local climate

7, Walnut Tree Road sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% 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 51% of listed buildings. Of these, 16 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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  • 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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