Circular pigsty at Pen-yr-esgym is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 13 March 2003. Pigsty.

Circular pigsty at Pen-yr-esgym

WRENN ID
gaunt-quoin-crow
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
13 March 2003
Type
Pigsty
Address
Circular pigsty at Pen-yr-esgym, Mynydd Carnllechart, Swansea, Pontardawe
OS grid reference
SN 680 083
Coordinates
51.75844, -3.91255
Source
Cadw listing

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

Description

This is a circular pigsty located at Pen-yr-esgym, built with rough rubble stone and featuring a grouted domed roof. The pigsty has an external diameter of about 3 meters and stands approximately 2 meters high. It includes a dressed stone slab lintel and jambs for a low animal entry on the west side.

Local climate

Circular pigsty at Pen-yr-esgym sits in one of the wettest parts of the UK, with an average of 1,470 mm of rain a year. This makes it wetter than 98% 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 34 freeze-thaw cycles a year, fewer than 52% of listed buildings. Of these, 16 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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  • No EPC on record for this property
  • No sale records on file
  • No related consent applications matched
  • 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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