Adam Bridge, Swardon Burn, Marchmont House is a Grade B listed building in the Scottish Borders local planning authority area, Scotland. First listed on 3 October 1989. Bridge. 1 related planning application.

Adam Bridge, Swardon Burn, Marchmont House

WRENN ID
gaunt-spire-khaki
Grade
B
Local Planning Authority
Scottish Borders
Constituency
Berwickshire, Roxburgh and Selkirk MP: John Lamont (Con)
Country
Scotland
Date first listed
3 October 1989
Type
Bridge
OS grid reference
NT 743 488
Coordinates
55.7326, -2.40922
Source
Historic Environment Scotland listing

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

Description

Adam Bridge, located over Swardon Burn at Marchmont House, was possibly designed by George Paterson and began construction in 1759. This single-arched bridge features classical detailing and is built from weathered sandstone ashlar. The bridge has coursed abutments and a coursed soffit. The round-arched openings are framed with ashlar voussoirs, and there are full-width architraved string courses along the top. The corniced eaves sit beneath the parapets, which were originally balustraded. Full-height channelled pilasters flank the openings, with rectangular piers on top that terminate the parapets. Engaged sandstone balusters are present, although some are missing. The bridge also has splayed retaining walls on the side embankments.

Local climate

Adam Bridge, Swardon Burn, Marchmont House receives an average of 810 mm of rain a year. This makes it drier than 52% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 92% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 68% of listed buildings. Of these, 22 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 — 1 application
  • 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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