Fernery, Ascog Hall, Ascog, Bute is a Grade B listed building in the Argyll and Bute local planning authority area, Scotland. First listed on 29 September 1987. Fernery.

Fernery, Ascog Hall, Ascog, Bute

WRENN ID
dark-rood-reed
Grade
B
Local Planning Authority
Argyll and Bute
Constituency
Argyll, Bute and South Lochaber MP: Brendan O'Hara (SNP)
Country
Scotland
Date first listed
29 September 1987
Type
Fernery
OS grid reference
NS 106 629
Coordinates
55.82271, -5.0247
Source
Historic Environment Scotland listing

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

Description

The Fernery at Ascog Hall, built around 1870 and refurbished in the late 20th century, is a kidney-shaped sunken glazed structure located to the south of Ascog Hall. It is primarily constructed of red sandstone rubble and features cast-iron roof girders.

The entrance to the east is made of rubble sandstone, leading into the sunken area which has rubble walls. At the center, there is an ornamental stream and rockery. Rubble fern-holders are placed irregularly around the outer walls, and the floor is pebble-cobbled. The shallow-domed, glazed roof is supported by cast-iron girders, and there is also replacement cast-iron brattishing.

Local climate

Fernery, Ascog Hall, Ascog, Bute sits in one of the wettest parts of the UK, with an average of 1,740 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 30 freeze-thaw cycles a year, fewer than 66% of listed buildings. Of these, 15 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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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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