Howe Dell School is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 9 December 1983. A Medieval School.

Howe Dell School

WRENN ID
ghost-obsidian-grain
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
9 December 1983
Type
School
Period
Medieval
Address
Howe Dell School, Old Rectory Drive
OS grid reference
TL 226 081
Coordinates
51.75887, -0.22372
Source
Historic England listing

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

Description

Howe Dell School is a former manor house and parsonage that has been converted into a school. It likely dates back to the 15th century and underwent alterations in 1534, the 17th century, and the late 18th century when a stable block was added to create an L-shaped plan. The original section features roughcast and plaster with a plain tile roof, standing two stories tall with attics. It has five gable ends adorned with cusped bargeboards, and the left gable of the former cross wing is larger than the others. The windows are irregularly spaced leaded casements. A projecting 19th-century addition on the right side includes a canted ground floor sash window, and there are tall 19th-century chimney stacks with diagonal shafts. The rear elevation showcases an early 19th-century four-window center, while the 17th-century red brick north wing complements the east wing, which has a symmetrical arrangement of windows. The east wing is two stories high with a floor band and a slightly projecting pedimented center, featuring small segmental-headed glazing bar sashes and brick dentil eaves under a plain tile hipped roof.

Local climate

Howe Dell School 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 85% 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 32 freeze-thaw cycles a year, fewer than 58% 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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