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Cof Cymru: National Historic Assets of Wales · Wales

Former Mynyddislwyn Urban District Council Offices

Pontllanfraith, Caerphilly, Wales

The record

Designation
Listed building, Grade II
Broad class
Institutional
Date of designation
31 March 1999
Locality
Pontllanfraith
Community
Pontllanfraith
Unitary authority
Caerphilly
Country
Wales
Coordinates
51.65281, -3.19064
Cadw reference
21620

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1636 "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

In the centre of Pontllanfraith, facing the site of the former railway station and dismantled railway; standing on a walled and railed terrace a little above the roadway with steps to right and vehicular access to left.

Built 1913. The building was extended in 1930s. Interior retains boards relating to Risca Urban District Council from 1894. Early photograph shows a cupola.

Purpose-built council offices in Edwardian Baroque style. Main block with parallel cross wings to rear, extended. Of rock-faced and dressed stone, roughcast to side, with Welsh slate roof and terracotta ridge tiles. Symmetrical 2 storey frontage. Windows are multipane with elaborate ashlar surrounds; moulded hoods, eared architraves and aprons to first floor and segmental-arched with prominent voussoirs, keystone and surrounds and shallow bracketed sills to ground floor. To first floor 2 windows either side of a central bay which is edged by pilasters and has an arched doorway leading onto a small curved balcony; the door has glazed roundels and multipane overlight. Above is a bracketed moulded parapet with inscription between cornice and coping, decoratively stepped up to centre to enclose a large datestone. A moulded stringcourse dividing the storeys extends across the frontage from the balcony which is supported by a deep bracket taking the place of the keystone to the high arched ground floor doorway this has very decoratively panelled recessed double doors and multipane overlight; dedication stones below. To side right similar mutipane window. Beyond later extension is a separate rendered block, possibly a generator house.

Interior has central corridor with rooms off either side; terrazzo floor and dado of green and cream decorative tiles in panels; basket arches to ceiling panels with decorative plaster corbels. Staircase to rear with wrought iron balusters. Large first floor council chamber across frontage with arch-braced roof and dado panelling, access to balcony.

Listed as unusually decorative purpose-built council offices from the time when coal-mining in this area was at its peak.

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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