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Former powder magazine for fog signalling station and enclosure walls

A Grade II Listed Building in Trearddur, Isle of Anglesey

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Coordinates

Latitude: 53.3224 / 53°19'20"N

Longitude: -4.6816 / 4°40'53"W

OS Eastings: 221487

OS Northings: 383963

OS Grid: SH214839

Mapcode National: GBR GMTX.N8T

Mapcode Global: WH314.1RXB

Entry Name: Former powder magazine for fog signalling station and enclosure walls

Listing Date: 30 June 1998

Last Amended: 30 June 1998

Grade: II

Source: Cadw

Source ID: 20076

Building Class: Maritime

Location: Located on the NE corner of Holy Island, on the edge of high cliffs, in an enclosure bounded by a low stone wall. Reached via a rough track over the headland.

County: Isle of Anglesey

Community: Trearddur

Community: Trearddur

Locality: North Stack

Traditional County: Anglesey

Find accommodation in
South Stack

History

Built in 1861 by Trinity House, as a charge store for the the adjacent fog warning cannon. At this time cliff-top cannons were fired throughout the night during foggy weather to warn shipping of coastal dangers. The cannons were made at the Woolwich Arsenal. The building subsequently housed a fog warning klaxon.

Exterior

A small, single storey building, rectangular in plan, with a narrow, grilled, door to the gable end facing away from the sea. Walls built of coursed rubble; rounded parapets to gable ends, with square step to apex, and quarter-round corbels. Pitched slate roof covering with heavy ridge tiles. The entire building and walls are limewashed. Over the door is the Trinity House coat of arms with '1861' inscribed above and 'MAGAZINE' below. The building is within an enclosure defined by low white-washed rubble walls.

Reasons for Listing

Listed as a good, well-preserved example of one of the specialised building types developed by Trinity House in association with coastal navigation, and of local historical interest as part of the warning system guiding coastal traffic associated with the port of Holyhead, a major port in the C19.

Other nearby listed buildings

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