L-Plan range of outbuildings at Dolassey Farm is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 21 June 1990. Outbuilding.

L-Plan range of outbuildings at Dolassey Farm

WRENN ID
tangled-chimney-swallow
Grade
II
Local Planning Authority
Powys
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
21 June 1990
Type
Outbuilding
Address
L-Plan range of outbuildings at Dolassey Farm, Bleddfa, Llangunllo
OS grid reference
SO 204 689
Coordinates
52.31255, -3.1681
Source
Cadw listing

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

Description

Dolassey Farm features a two-storey L-plan range of outbuildings, primarily used as cowhouses. These structures are built from coursed irregular rock-faced masonry, accented with mostly blue brick dressings, and topped with slate roofs and corrugated metal on the rear pitch. The deep verges are supported by scroll brackets. The fold yard elevations consist of 14 bays, each with full-height partly-boarded openings, including a wider entry bay with double doors. The ground floor is infilled with vertical boards over timber rails, while the loft is finished with weatherboarding.

The northern elevation is particularly striking due to the sloping ground, while the eastern elevation of the granary is fronted in stone. Narrow ventilation slits and pitching doors are present on the rear and gable elevations. The door and window openings feature cambered heads made of chequered brickwork. The upper gable end of a short returned range on the eastern side of the yard is clad in corrugated material, with the main structure made of coursed rubble blocks and brick dressings.

Inside the cowhouses, there are approximately 45 stalls created with wooden posts and rails, and a feeding passage runs along the rear. The ceilings are supported by sawn beams and joists, remaining largely unaltered except for the eastern end bays, which have breeze block partitions. The first-floor storage lofts are equipped with plain wooden 19th-century king-post trusses. Additionally, the two-storey wing includes bull-pen and loose-boxes on the ground floor, with a granary above that is accessible via brick external steps.

Local climate

L-Plan range of outbuildings at Dolassey Farm receives an average of 950 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 62% of listed buildings.

It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 31 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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