Outbuilding to NE.of Treleddyn Isaf/Lower Treleddyn, including low wall in front is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 28 July 1992. House.

Outbuilding to NE.of Treleddyn Isaf/Lower Treleddyn, including low wall in front

WRENN ID
solitary-lintel-tallow
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
28 July 1992
Type
House
Address
Outbuilding to NE.of Treleddyn Isaf/Lower Treleddyn, including low wall in front, St. David's and the Cathedral Close
OS grid reference
SM 731 259
Coordinates
51.88562, -5.29771
Source
Cadw listing

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

Description

This early 19th-century outbuilding, located to the northeast of Treleddyn Isaf (Lower Treleddyn), is constructed from rubble stone and features a grouted slate roof. It has one small window and a door, both with brick heads. The interior consists of four bays, and the eastern end wall includes two rows of dove holes. There is an additional door at the rear. In front of the building, there is a circular enclosure with low rubble walls that was used for a horse-engine.

Local climate

Outbuilding to NE.of Treleddyn Isaf/Lower Treleddyn, including low wall in front 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 85% 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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