Outbuilding to NW.of House at Carnachenwen is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 29 April 1993. House.

Outbuilding to NW.of House at Carnachenwen

WRENN ID
peeling-plinth-larch
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
29 April 1993
Type
House
Address
Outbuilding to NW.of House at Carnachenwen, Mathry
OS grid reference
SM 876 330
Coordinates
51.95494, -5.09232
Source
Cadw listing

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

Description

This outbuilding, known as 'storws', dates from 1784 and is located to the northwest of the house at Carnachenwen. It is constructed of rubble stone and features a corrugated iron roof, with a window on the left side. The building is two-storey and has external steps leading to a loft door on the south side. The south wall shows remnants of slate hanging. A datestone is positioned on the northeast corner. On the north side, there is a door to the ground floor on the right and a 12-pane sash window at mid-height, slightly to the right of the center. Under the eaves, there is a central loading door flanked by small square windows on each side. Inside, the east wall has blocked recesses. The building was noted to be in poor condition in 1992.

Local climate

Outbuilding to NW.of House at Carnachenwen 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 96% of listed buildings.

It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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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  • 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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