Cowdenknowes House is a Grade A listed building in the Scottish Borders local planning authority area, Scotland. First listed on 9 June 1971. Mansion-house. 2 related planning applications.

Cowdenknowes House

WRENN ID
crumbling-obsidian-merlin
Grade
A
Local Planning Authority
Scottish Borders
Constituency
Berwickshire, Roxburgh and Selkirk MP: John Lamont (Con)
Country
Scotland
Date first listed
9 June 1971
Type
Mansion-house
Address
Cowdenknowes House, TD4 6AA
OS grid reference
NT 577 370
Coordinates
55.62507, -2.67285
Source
Historic Environment Scotland listing

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

Description

Cowdenknowes House is a 16th-century mansion that originally comprised three distinct parts: a tower, a mansion dated 1574, and a small tower that is now in ruins. These elements were originally linked by curtain walls, which enclosed a courtyard that is now used as open gardens. A modern wing has been added to connect the tower with the mansion house.

Local climate

Cowdenknowes House receives an average of 910 mm of rain a year. This makes it wetter than 68% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 61% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 91% of listed buildings. Of these, 30 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.
  • 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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