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Cof Cymru: National Historic Assets of Wales · Wales

Postern House

Brecon, Powys, Wales

A Grade II listed building in Brecon, Powys, designated on 16 December 1976.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Postern House, Brecon, Powys, 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
Civil
Date of designation
16 December 1976
Town
Brecon
Community
Brecon
Unitary authority
Powys
Country
Wales
Coordinates
51.94979, -3.39239
Cadw reference
6991

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 1608 map "(13) Cambriae Typus." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1608 · (13) Cambriae Typus. (David Rumsey Map Collection, Stanford Libraries)
  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 213 Brecon (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

Opposite Nos.9 & 10 The Postern.

Built in 1842 as the Borough Gaol. Lower block to R a little later.

Former prison converted to house. Two-storey, 2-window front to The Postern, but rear elevation drops down a further level to river. Coursed red-brown stone. Pyramidal hipped roof with large square stone chimney. Two windows with semi-circular heads on the first floor, the northern one (to L) smaller with iron catches. On ground floor, a semi-circular headed doorway to left hand, overlight with iron grille and door with cover strips; a sash window without glazing bars to the right hand. R return of 3 windows, but only rear bay visible; semi-circular window to top floor; below this round-arched recess with rectangular casement window; below this small camber-headed cell window. Two-window elevation to rear, facing river; round-arched windows, blind to L.
To R of 2-storey block, a lower block in snecked stone with slate roof, hipped to R. Right return with camber-headed cell window. Rear elevation to river of 4 windows has camber-headed cell windows, and doorway in 3rd bay.

Well-preserved early example of this building type. Group Value with other listed structures in The Postern.

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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