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Cof Cymru: National Historic Assets of Wales · Wales

Lock House

Llanfrynach, Powys, Wales

A Grade II listed building in Cefn Brynich, Brecon, Llanfrynach, Powys, designated on 28 July 2005.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Lock House, Llanfrynach, 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
Domestic
Date of designation
28 July 2005
Locality
Cefn Brynich
Town
Brecon
Community
Llanfrynach
Unitary authority
Powys
Country
Wales
Coordinates
51.93701, -3.34387
Cadw reference
84827

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)
  • 1830 · V.3:11-15:XV. Britisches Reich. A. Kon: England. b. Frstenthum Wales: Shire: 37-40 (David Rumsey Map Collection, Stanford Libraries)
  • 1856 · 42. Brecon. (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 14. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Situated just above Cefn Brynich Lock on W side of lane from A40 to Llanfrynach.

Roadside house, possibly built with the canal in 1800.

House, painted rubble stone with slate roof and C20 brown brick stacks at original end walls, larger to N end. S end C20 addition to same roof line. One and a half storeys, double fronted with small-paned casement windows. Two casement pairs breaking eaves under catslide roofs, over a triple casement to left and casement pair to right of broad doorway with C20 half-glazed door. Cambered heads with stone voussoirs to ground floor openings, stone sills. Lean-to on right end wall and loft window above.
C20 rendered one-bay addition on left end, with C20 casement pair to ground floor front. Window on each floor to S end to the canal.

Not available for inspection.

Included for its special interest as a traditional smaller house, part of the canal-side group with Lock Cottage, the canal bridge and Cefn Brynich Lock.

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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