Unity Mill is a Grade II listed building in the Amber Valley local planning authority area, England. First listed on 13 December 1979. Mill.

Unity Mill

WRENN ID
broken-bronze-dust
Grade
II
Local Planning Authority
Amber Valley
Constituency
Mid Derbyshire MP: Jonathan Davies (Lab)
Country
England
Date first listed
13 December 1979
Type
Mill
Address
Unity Mill, Derwent Street, Belper, DE56 1WN
OS grid reference
SK 345 474
Coordinates
53.02358, -1.48586
Source
Historic England listing

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

Description

Unity Mill is an early 20th-century building with an unusual design. It is constructed of coursed stone and features a slate roof with a very wide span. The east facade includes one round window in the gable end, along with three similar windows below it. The south facade, facing the street, has a buttressed and rendered east end, with a stone sill band beneath two groups of three small lights. Below this, there are three tall windows, although the western end of this facade has later ground floor windows. The west elevation has a central section that is advanced, and the roof is cut away over the splayed sides. The rear, or north facade, features a wide gabled roof above a central loading bay.

Local climate

Unity Mill receives an average of 780 mm of rain a year. This makes it drier than 60% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 67% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 19 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

Sign in or create a free account to unlock:

  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 1998
  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Unity Mill Grade II 41 m
  2. 21, Bridge Street Grade II 71 m
  3. Chevin View Grade II 79 m
  4. The Lion Hotel Grade II 115 m
  5. Central Methodist Church Grade II 171 m
  6. Gate Piers, Gates and Eastern Boundary Wall to Churchyard of Central Methodist Church Grade II 181 m
  7. 61, Bridge Street Grade II 183 m
  8. Rear Building at Number 67 Grade II 187 m
  9. Three Monuments to Bourne Family on South Side of Entrance Gates in Churchyard of Central Methodist Church Grade II 191 m
  10. 63, 65 and 67, Bridge Street Grade II 192 m