Obelisk (also known as Macfadzean's Monument), Castle Hill, Ardrossan is a Grade B listed building in the North Ayrshire local planning authority area, Scotland. First listed on 14 April 1971. Obelisk.

Obelisk (also known as Macfadzean's Monument), Castle Hill, Ardrossan

WRENN ID
steep-rafter-holly
Grade
B
Local Planning Authority
North Ayrshire
Constituency
North Ayrshire and Arran MP: Irene Campbell (Lab)
Country
Scotland
Date first listed
14 April 1971
Type
Obelisk
OS grid reference
NS 231 422
Coordinates
55.6413, -4.81173
Source
Historic Environment Scotland listing

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

Description

The Obelisk, also known as Macfadzean's Monument, was erected in 1849 to honor Alexander MacFadzean, M.D. He was instrumental in the proposal to establish the town as a burgh.

Local climate

Obelisk (also known as Macfadzean's Monument), Castle Hill, Ardrossan sits in one of the wettest parts of the UK, with an average of 1,540 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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 sale records on file
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  • 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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