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Cof Cymru: National Historic Assets of Wales · Wales

Circular Pigsty at Beili Gras

Pontardulais, Swansea, Wales

A Grade II listed building in Swansea, Pontardulais, designated on 21 January 1988.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Circular Pigsty at Beili Gras, Pontardulais, Swansea, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
Agriculture and Subsistence
Date of designation
21 January 1988
Town
Swansea
Community
Pontardulais
Unitary authority
Swansea
Country
Wales
Coordinates
51.71611, -4.01790
Cadw reference
11208

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1891 · Sheet 10. Ordnance Survey of England and Wales. . (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 230 Ammanford (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 230 Ammanford (Outline) (David Rumsey Map Collection, Stanford Libraries)
  • 1920 · Sheet 100. Llanelly. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Beili Glas is reached from Upper Mill Road by a winding farm track. The pigsty is sited against a garden wall immediately to W of house.

Built in the C18 or early C19.

C18 or early C19 pigsty in rough rubble stone on a circular plan, the constructional technique is reminiscent of Early Christian beehive huts. Squat proportions with rough domed roof. Dressed stone lintel to low animal entry to W, abutting boundary wall.

Circular interior with stone corbelled domed vault.

Included as a very rare and unusual example of a disappearing building type.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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