Barn at Ty Mawr is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 1 February 1995. Church.

Barn at Ty Mawr

WRENN ID
little-rubblework-holly
Grade
II
Local Planning Authority
Denbighshire
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
1 February 1995
Type
Church
Address
Barn at Ty Mawr, Four Crosses, Corwen
OS grid reference
SJ 035 431
Coordinates
52.97689, -3.43808
Source
Cadw listing

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

Description

The barn at Ty Mawr is a 19th-century structure featuring a central section made of random rubble stone with a timber-framed upper part. This upper section consists of short posts that run between the wall plate and sill, and it is clad with corrugated iron sheets, which also cover the roof. Inside, this central area has two pairs of raised crucks supported by a stone plinth wall, along with a rough tie beam, collar, and saddle.

To the northeast, there is a stable that extends from this range, constructed from rough random rubble and topped with a slate roof. It has a single bay with an external staircase leading to a gabled loft entry on the left and a doorway with a timber lintel on the right. To the southwest, there is another extension that may have been a former shippon, also made of rough random rubble with a corrugated iron sheet roof and a stone-coped gable. This section features three doorways, with the outer two now partially blocked and converted into windows.

Local climate

Barn at Ty Mawr sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.

It experiences an average of 50 freeze-thaw cycles a year, more than 92% 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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  • Detailed attributes — period, style, materials, features
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  • 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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