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Cof Cymru: National Historic Assets of Wales · Wales

Porth y Castell

Trearddur, Isle of Anglesey, Wales

A Grade II listed building in Trearddur, Trearddur Bay, Isle of Anglesey, designated on 30 June 1998.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Porth y Castell, Trearddur, 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
30 June 1998
Locality
Trearddur
Town
Trearddur Bay
Community
Trearddur
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.27096, -4.62183
Cadw reference
20072

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 back from the SE side of Ravenspoint Road, overlooking Porth Diana and c950m SW of the Church of St. Ffraid

Built 1910-20, one of several houses employing a similar architectural idiom characteristic of the early C20 development of the area as a resort.

An asymmetrically planned Arts and Crafts house; a single storey with attics range to left with a 2-storey cross-wing to upper right end. Walls are pebble-dashed rendered; roof of small green slates with broadly projecting wood-bracketted eaves and verges and red-brick end wall and axial stacks. Range to left has a massive hipped roof which breaks forward over a central, double-fronted verandah; right side now enclosed with walling to lower part and large paned light to front, left side open to front with railings of shaped splats and stick balusters; side windows are paired sashes with small paned upper lights. Similarly detailed window to the right of the verandah with the recessed entrance to the far right. Left of the verandah is a bay window of 4-lights of small-paned sashes. In the roof there are 2 dormers, each paired 2-light casement windows, with segmentally pedimented heads. The left gable return has windows similar to those of the verandah sides; a single centrally placed light and a paired light to the rear. The gabled wing to the right has projecting verges over a jettied apex above a canted oriel window of 5-lights; canted ground-floor bay of 7-lights; windows are small-paned casements. The right return has a single storey gabled verandah set at right angles to the left end with a small-paned light set under the eaves above, and a canted ground-floor bay of 5 small-paned casement lights to the right. There is a central chimney stack with a wide rectangular base and raking sides forming the front of a gabled dormer and the tall square stack continuing above.

Listed as a particularly good example of an Arts and Crafts style house of the type characteristic of the development around Porth Diana. With its bold roof detail and massing, the house has a strong architectural character and retains many original features, including the distinctive small-paned casement windows.

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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