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Cof Cymru: National Historic Assets of Wales · Wales

10 Merthyr Road

Tongwynlais, Cardiff, Wales

A Grade II listed building in Tongwynlais, Cardiff, designated on 6 October 1977.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of 10 Merthyr Road, Tongwynlais, 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
Domestic
Date of designation
6 October 1977
Locality
Tongwynlais
Town
Cardiff
Community
Tongwynlais
Unitary authority
Cardiff
Country
Wales
Coordinates
51.53242, -3.25241
Cadw reference
24402

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)
  • 1637 · The fourth table of England. Cornub. Devonia, Somerset etc. (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)
  • 1963 · Map No. 1 - Local Government Commission for Wales : [Definitive maps showing proposed… (National Library of Scotland)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Towards the N end of the village fronting the main thoroughfare.

Tongwynlais had an important position on the Merthyr to Cardiff highway constructed 1767 which linked the Merthyr ironworks with Cardiff, the village being sited in the narrow entrance to the Taff Vale between the mountains of Fforest Fawr and Garth Wood. It was further developed to serve the important nearby Melingriffith and Pentyrch works producing iron, tinplate, bricks and quarried stone. The grid lay-out of the central village is intact on the first edition Ordnance Survey Map surveyed 1875, with Ainon Baptist chapel nearby built 1827, enlarged 1851, the Glamorgan Canal constructed 1794, and the Taff Vale Railway in1840. Masonry of this terrace is of higher quality and probably a little earlier than that in Wyndham Street adjacent.

Originally staircases rose beside front room fireplace (except for central staircase in no.14), some retained; some stone flagged floors and slabs from former pantries; ground floor ceiling joists of thin scantling, some exposed.

Listed primarily for historic interest as a mid C19 row of workers' cottages.

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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