High Mill, Botany Mill is a Grade C listed building in the Scottish Borders local planning authority area, Scotland. First listed on 14 November 2006. Mill. 2 related planning applications.

High Mill, Botany Mill

WRENN ID
outer-rood-swallow
Grade
C
Local Planning Authority
Scottish Borders
Constituency
Berwickshire, Roxburgh and Selkirk MP: John Lamont (Con)
Country
Scotland
Date first listed
14 November 2006
Type
Mill
OS grid reference
NT 488 363
Coordinates
55.61798, -2.81344
Source
Historic Environment Scotland listing

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

Description

High Mill, also known as Botany Mill, is a former mill built in the mid to late 19th century. It is a four-storey building with a rectangular plan, measuring six bays by two bays, and features a canted end bay at the south corner. The exterior has regular fenestration and is constructed from whin and sandstone rubble, with red sandstone dressings. The roof is purple slated in an M shape with a valley gutter. There are entrances on the northwest elevation, and a modern communications tower is located at the north corner.

The windows include multi-pane timber sash and case as well as fixed glazing. Inside, the space is largely subdivided, supported by a structure of cast iron columns and timber beams, and includes a timber stair.

Local climate

High Mill, Botany Mill receives an average of 940 mm of rain a year. This makes it wetter than 72% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 54% of listed buildings.

It experiences an average of 53 freeze-thaw cycles a year, more than 94% 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 2 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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