Skip to main content

Building record MDR9701 - Unity Mill, Derwent Street, Belper

Type and Period (4)

Protected Status/Designation

Full Description

Shown as 'Unity Mill (Thread)' on the 1st ed. 25" OS map and as 'Unity Mill (Cotton)', with a chimney marked to the east, on the 2nd ed. (1, 2) Unity Mill is a Grade II mid 19th century mill. It is a T-shaped building of four storeys constructed from coursed stone with a hipped slate roof. (3) Unity Mill, Derwent Street, is a mid Victorian mill. Later used as a steam corn mill. (4) Unity Mill was built as a steam-powered corn mill by James Webster in 1839. It was purchased by John Strutt in 1853, following which it was greatly enlarged and more powerful steam engines installed to run a factory scale milling and malting operation. A steam-powered bakery was added in the late 1860s. However, the business failed and in 1875 the complex was converted to cotton spinning, which continued until c. 1905. Over the course of the 20th century the building was put to various uses, from a furniture business, through chemical processing to architectural salvage storage and retail. (5)

Sources/Archives (5)

  • <1> Map: Ordnance Survey (OS). 1882. OS County Series, 1st edition, scale 1:2500 (c. 25" to one mile).
  • <2> Map: Ordnance Survey (OS). 1896-1900. OS County Series, 2nd edition (1st revision), scale 1:2500 (c. 25" to one mile).
  • <3> Listed Building File: Historic England. 2011. The National Heritage List for England. List entry number 1087354.
  • <4> Bibliographic reference: Fowkes, D (ed.). 1993. Derbyshire Industrial Archaeology: A Gazeteer of Sites Part III: Borough of Amber Valley. p 1.
  • <5> Unpublished document: Belper Local History Group. 1998. Unity Mill: a Report on the History and Development of Unity Mill, Belper (Working Draft).



Grid reference Centred SK 3457 4751 (45m by 41m) (Approximate)
World Heritage Site Derwent Valley Mills

Related Monuments/Buildings (0)

Related Events/Activities (1)

  • EDR3035

Please contact the HER for details.

External Links (0)

Record last edited

Mar 15 2020 11:19AM

Comments and Feedback

Do you have any more information about this record? Please feel free to comment with information and photographs, or ask any questions, using the "Disqus" tool below. Comments are moderated, and we aim to respond/publish as soon as possible.