21, Mill Lane is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 24 January 1967. A Tudor House.
21, Mill Lane
- WRENN ID
- haunted-moulding-ochre
- Grade
- II
- Local Planning Authority
- Welwyn Hatfield
- Constituency
- Welwyn Hatfield MP: Andrew Lewin (Lab)
- Country
- England
- Date first listed
- 24 January 1967
- Type
- House
- Period
- Tudor
- OS grid reference
- TL 231 161
- Coordinates
- 51.83051, -0.21386
- Source
- Historic England listing
Description
No. 21 Mill Lane is a house that likely dates back to the early 16th century and was formerly part of The Old Rectory along with Nos. 23 and 25. The building features a timber frame, with a red brick ground floor added around 1910, and a roughcast and half-timber upper floor. In the 18th century, half-hipped timber frame bays were added to the east and north sides. The house has two 6/6-pane sash windows set in moulded frames and includes a coved plaster cornice.
Local climate
21, Mill Lane 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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