Westmill is a Grade II listed building in the East Hertfordshire local planning authority area, England. First listed on 24 January 1967. Watermill. 4 related planning applications.
Westmill
- WRENN ID
- third-tin-russet
- Grade
- II
- Local Planning Authority
- East Hertfordshire
- Constituency
- North East Hertfordshire MP: Chris Hinchliff (Lab)
- Country
- England
- Date first listed
- 24 January 1967
- Type
- Watermill
- Address
- Westmill, Westmill Road, Bengeo Rural, SG12 0ET
- OS grid reference
- TL 338 163
- Coordinates
- 51.82948, -0.05902
- Source
- Historic England listing
Description
A watermill, dating from the 17th century or earlier (reportedly rebuilt in 1580 with two wheels), ceased operation in 1926 and was converted into a house in 1961, retaining one wheel. The brickwork is generally plastered over, although a timber frame is said to survive within the walls. A distinctive curved gable, constructed of red brick, is visible on the south end. The roof is covered with steep, old red tiles. The building is a long, two-storey structure spanning the River Rib, featuring two arched openings on the east side, leading from the mill pond, and a single arched forebridge on the west. The west front has an irregular arrangement of six windows, with an arched opening in the centre, now the house entrance, previously housing the mill wheels. The southern half exhibits domestic features from the late 18th century, including three recessed sash windows on the upper floor, a panelled and half-glazed front door sheltered by a flat hood, and a canted bay window with sashes of 6/6, 12/12, and 6/6 panes. Casement windows are recessed on both floors in the northern half. A segmental moulded doorhood, located at the rear, is supported by 18th-century scrolled acanthus consoles that originally faced the front. The south gable end is notable for its irregular brickwork and raised floorbands.
Local climate
Westmill 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 84% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 55% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 9 transactions since 1996
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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