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Cof Cymru: National Historic Assets of Wales · Wales

Folly, Carreglwyd

Llanfaethlu, Isle of Anglesey, Wales

A Grade II listed building in Carreglwyd, Holyhead, Llanfaethlu, Isle of Anglesey, designated on 16 February 2001.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Folly, Carreglwyd, Llanfaethlu, 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
Domestic
Date of designation
16 February 2001
Locality
Carreglwyd
Town
Holyhead
Community
Llanfaethlu
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.36039, -4.54500
Cadw reference
24787

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 1799 map "Ireland." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1799 · Ireland. (David Rumsey Map Collection, Stanford Libraries)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1899 · 93 Holyhead (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

Set within woodland to W of the walled garden at Carreglwyd; c120m NW of the house.

C18 folly/lookout tower. Probably built as part of the improvements to the estate which were thought to be carried out under the direction of Mary Trygarn, mother of Holland Griffiths, owner of the estate at that time.

Stone steps lead up to a circular viewing platform. Low rubble wall with roughly embattled coping.

Included as an early C18 folly, which provided a viewing platform over Holyhead harbour. Contemporary with the remodelling of the adjacent house at Carreglwyd and the development of the ancillary estate buildings of the early C18.

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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