Two Storey outbuilding on E.Side of Yard at Treleddyn Isaf/Lower Treleddyn is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 28 July 1992. Outbuilding. 1 related planning application.

Two Storey outbuilding on E.Side of Yard at Treleddyn Isaf/Lower Treleddyn

WRENN ID
tall-chancel-mallow
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
Outbuilding
Address
Two Storey outbuilding on E.Side of Yard at Treleddyn Isaf/Lower Treleddyn, St. David's and the Cathedral Close, SA62 6PY
OS grid reference
SM 731 258
Coordinates
51.88532, -5.29765
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This is a tall, early 19th-century outbuilding, originally used as a granary over a cow-house or stable. It is constructed of rubble stone and has a corrugated asbestos roof. The north end features external stairs leading to a loft door, and the front elevation is symmetrical. There are two small loft windows set under the eaves, and a window on each side of the central door at ground level; the lower windows have been altered, with brick returns and concrete lintels. A lean-to addition extends from the rear. A single-story range with a central door is attached to the south side.

Local climate

Two Storey outbuilding on E.Side of Yard at Treleddyn Isaf/Lower Treleddyn 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2001
  • Related listed building consents — 1 application
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • 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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