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Cof Cymru: National Historic Assets of Wales · Wales

Row of kilns at former Afon Wen Portland Cement Works

Caerwys, Flintshire, Wales

A Grade II listed building in Afonwen, Caerwys, Flintshire, designated on 19 July 2002.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Row of kilns at former Afon Wen Portland Cement Works, Caerwys, Flintshire, 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
Industrial
Date of designation
19 July 2002
Locality
Afonwen
Community
Caerwys
Unitary authority
Flintshire
Country
Wales
Coordinates
53.23521, -3.30249
Cadw reference
26776

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 1795 map "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 108 Flint (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1898 · 108 Flint (Outline) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Approximately 180m NE of the junction of the A541 and B5122 and on the E side of Heron's Retreat Holiday Park.

Built in the early C20 as part of the Afonwen Portland Cement Works, which was built in the final quarter of the C19 on the site of a paper works shown on the 1871 Ordnance Survey. The kilns were used for firing a mixture of lime and clay at high temperature.

A bank of 10 former kilns built into a steep bank. At the lower level is a battered wall with segmental-headed draw arches of varying heights, and impost band (except to the 3 R-hand kilns which are possibly later), above which are joist holes and tie plate. The arch second from the L is repaired. The kilns themselves are segmental-vaulted and are infilled to the front but incorporate round-headed openings. The kilns at the N and S ends have mostly collapsed while the remainder are in varying conditions. At the L (N) end are brick steps to the upper level. The interior of the draw arches have narrow pits where the cement was drawn, and above them the structure widens out to the main chamber of the kilns which have battered back walls.

Listed for its industrial archaeological interest as a rare surviving bank of cement kilns forming a visually impressive group.

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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