40,42, Mill Lane is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 9 December 1983. House. 1 related planning application.
40,42, Mill Lane
- WRENN ID
- lapsed-postern-mint
- Grade
- II
- Local Planning Authority
- Welwyn Hatfield
- Constituency
- Welwyn Hatfield MP: Andrew Lewin (Lab)
- Country
- England
- Date first listed
- 9 December 1983
- Type
- House
- Address
- 40,42, Mill Lane, AL6 9ET
- OS grid reference
- TL 232 161
- Coordinates
- 51.83022, -0.21335
- Source
- Historic England listing
Description
A semi-detached pair of houses dating from the early 19th century. The houses are built of red brick with a roof of old tiles, featuring parapeted gables supported by moulded brick corbels. Each house has two flush sash windows set within architrave frames. Recessed half-gabled porches are present, with doors featuring semicircular fans with a lobe pattern. The recess of the left-hand porch has been partially obscured by a neighboring property.
Local climate
40,42, 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 5 transactions since 1997
- Related listed building consents — 1 application
- 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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