The Mill (James G Callcut (Welwyn) Limited) is a Grade II listed building in the North Hertfordshire local planning authority area, England. First listed on 21 March 1984. Watermill, factory.

The Mill (James G Callcut (Welwyn) Limited)

WRENN ID
iron-thatch-sparrow
Grade
II
Local Planning Authority
North Hertfordshire
Constituency
Stevenage MP: Kevin Bonavia (Lab)
Country
England
Date first listed
21 March 1984
Type
Watermill, factory
Address
The Mill (James G Callcut (Welwyn) Limited), Fulling Mill Lane, Codicote, AL6 9NP
OS grid reference
TL 226 169
Coordinates
51.83757, -0.22196
Source
Historic England listing

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

Description

The Mill, now a factory, is a watermill dating from the early 19th century. It features a red brick ground floor and an upper floor covered in white-painted weatherboarding. The building has a steep plain tile roof with a large gabled and jettied sack hoist. There are four windows, which are 2-light mid-19th century casements with horizontal glazing bars. The mill has two doors, one on the first floor and one on the ground floor.

Local climate

The Mill (James G Callcut (Welwyn) Limited) 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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Nearby listed buildings

  1. Fulling Mill House Grade II 17 m
  2. Carlton Cottage Grade II 176 m
  3. 44, Codicote Road Grade II 208 m
  4. Milepost Just North of Fulling Mill Lane Grade II 579 m
  5. Linces Farm,Former Granary Immediately East of Farmhouse Grade II 749 m
  6. The Manor House and West Manor Grade II 753 m
  7. Linces Farm Farmhouse Grade II 761 m
  8. The Grange Grade II 761 m
  9. Guessens Grade II* 786 m
  10. Linces Farm,Barn South West of Farmhouse Grade II 798 m