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Cof Cymru: National Historic Assets of Wales · Wales

Megalithic folly at James Howell House

Roath, Cardiff, Wales

A Grade II listed building in Tredegarville, Cardiff, Roath, designated on 24 May 2002.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Megalithic folly at James Howell House, Roath, Cardiff, 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
24 May 2002
Locality
Tredegarville
Town
Cardiff
Community
Roath
Unitary authority
Cardiff
Country
Wales
Coordinates
51.48530, -3.17002
Cadw reference
26663

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 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1865 · England and Wales. England No. 6. (David Rumsey Map Collection, Stanford Libraries)
  • 1895 · Sheet 11. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 263 Cardiff (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1913 · Sheet 110. Cardiff & Mouth of the Severn. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

In the forecourt of the house, set behind railings to the street. James Howell House is at the corner of the junction with West Grove.

James Howell House was built by James Howell (1835-1909), master draper and founder of one of Cardiff principal department stores. In 1896 he sold the house to the Corporation of Cardiff for use as a Judges Lodging. In 1918 the house was extended and converted to the Prince of Wales Hospital for Limbless Sailors and Soldiers. To mark the opening of the hospital, the cromlech was erected by Sir John Lynn-Thomas, a surgeon at the hospital. It is a copy in Radyr stone of the prehistoric cromlech at St Lythans near Dyffryn House. The hospital closed in 1977 and the house was converted to flats by the Family Housing Association.

Folly of Radyr stone comprising 3 upright slabs enclosing 3 sides of a chamber and covered by a single capstone.

Listed as an exceptional megalithic folly in an urban setting, and for its social-historical interest commemorating the former Prince of Wales Hospital.

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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