Ilex Mill is a Grade II listed building in the Rossendale local planning authority area, England. First listed on 22 February 1982. Cotton mill. 4 related planning applications.

Ilex Mill

WRENN ID
over-tallow-bittern
Grade
II
Local Planning Authority
Rossendale
Constituency
Rossendale and Darwen MP: Andy MacNae (Lab)
Country
England
Date first listed
22 February 1982
Type
Cotton mill
Address
Ilex Mill, Bacup Road, BB4 7NQ
OS grid reference
SD 814 227
Coordinates
53.7007, -2.28248
Source
Historic England listing

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

Description

Ilex Mill is a cotton mill built in 1856 for Peter Whitehead, who may have been its designer. It is constructed of roughly-faced, squared sandstone. The mill is mainly five storeys high, with uniform 9-pane vertical windows. Its layout is not symmetrical, with three and two-storey wings featuring slender, coupled pilaster strips at the corners and elsewhere, linking to the main block. The roofs are mostly flat, with a simple cornice running along the top. A very tall chimney rises from a pedestal with quoins and cornices, and has bands and a cornice at the top. Inside, cast-iron columns support arched brick ceilings.

Local climate

Ilex Mill sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.

It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 33 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 — 199 transactions since 2004
  • Related listed building consents — 4 applications
  • 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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