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Cof Cymru: National Historic Assets of Wales · Wales

Ha-Ha to South of Llanidan House

Llanidan, Isle of Anglesey, Wales

A Grade II listed building in Llanidan, Isle of Anglesey, designated on 30 January 1968.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Ha-Ha to South of Llanidan House, Isle of Anglesey, 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
Gardens, Parks and Urban Spaces
Date of designation
30 January 1968
Locality
Llanidan
Community
Llanidan
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.17694, -4.25313
Cadw reference
5542

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 1883 map "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 105 Carnarvon (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1919 · Sheet 41. Anglesey. (David Rumsey Map Collection, Stanford Libraries)

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This record in Cadw's own full report ↗

Cadw's description

Curving ha-ha wall to the E and S of Llanidan House, enclosing the garden.

Built late C18 as part of the improvements made to the grounds of Llanidan House by Thomas Williams, tenant.

Dry-built wall of local stone. Built on NW faces of the ditch enclosing the garden S and E of the house. Parts of the ditch are excavated directly into the rock outcrop.

Included as a good example of a late C18 ha-ha, associated with the adjacent Llanidan House with which it forms a group.

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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