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Cof Cymru: National Historic Assets of Wales · Wales

Melin Llandegfan

Cwm Cadnant, Isle of Anglesey, Wales

The record

Designation
Listed building, Grade II
Broad class
Industrial
Date of designation
30 January 1968
Locality
Llandegfan
Community
Cwm Cadnant
Unitary authority
Isle of Anglesey
Country
Wales
Coordinates
53.24374, -4.15030
Cadw reference
5485

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 1896 "Sheet 7. Ordnance Survey of England and Wales." (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 SW side of Bro Llewellyn at the N end of the village of Llandegfan.

Probably early C19, thought to date from 1820s and first appears on Dawson''''s map of 1831. Ceased working before First World War and marked as "old windmill" on the OS 1" map of 1918. According to Rex Wailes the cap and remains of the sails were still in position in 1929, but they had disappeared, and the top of the tower reduced, by 1937. Shortly after the local Water Authority installed a large water tank in the tower, initially this was successful in providing a reservoir for the village, but developments in the 1950s and 1960s increased the demand to the point that the tower became redundant; the pipework disconnected and the tank finally removed in 1989.

Circular windmill tower with tapering walls of rubble masonry, part rendered. Originally 5 storeys, reduced in height to just over 4 storeys. Square heads to openings, including blocked entrance at ground floor.

Interior not inspected at the time of the survey.

Listed as a substantially intact windmill tower, one of only 18 surviving on Anglesey. In early-mid C19 there were over 40 windmills operating on the island, grinding the large volumes of corn then being produced.

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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