Ancient Monuments

History on the Ground

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Beaumaris Town Wall

A Scheduled Monument in Beaumaris (Biwmares), Isle of Anglesey (Ynys Môn)

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Latitude: 53.2647 / 53°15'52"N

Longitude: -4.0941 / 4°5'38"W

OS Eastings: 260423

OS Northings: 376230

OS Grid: SH604762

Mapcode National: GBR JN82.7BJ

Mapcode Global: WH542.26PL

Entry Name: Beaumaris Town Wall

Scheduled Date: 20 June 1979

Source: Cadw

Source ID: 2548

Cadw Legacy ID: AN123

Schedule Class: Defence

Category: Town Wall

Period: Medieval

County: Isle of Anglesey (Ynys Môn)

Community: Beaumaris (Biwmares)

Built-Up Area: Beaumaris

Traditional County: Anglesey


The only surviving section of Beaumaris town wall suitable for scheduling. About 20 m long, 3 m high and 1.75 m wide. Part of the outer face is missing. A Grade I listed building (ref. 3/40).

The monument is of national importance for its potential to enhance our knowledge of medieval structures and town alignments and defence. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structures themselves may be expected to contain archaeological information concerning chronology and building techniques.

The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.

Source: Cadw

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