History in Structure

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Old Dynevor Castle

A Grade I Listed Building in Llandeilo, Carmarthenshire

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Coordinates

Latitude: 51.8768 / 51°52'36"N

Longitude: -4.0185 / 4°1'6"W

OS Eastings: 261149

OS Northings: 221730

OS Grid: SN611217

Mapcode National: GBR DV.RV63

Mapcode Global: VH4J3.93G2

Entry Name: Old Dynevor Castle

Listing Date: 8 July 1966

Last Amended: 24 June 1991

Grade: I

Source: Cadw

Source ID: 11117

Building Class: Defence

Location: Set high on a rocky, wooded ridge above Afon Tywi with exceptional, picturesque views to the castle from S over the river and from the landscaped park to N.

County: Carmarthenshire

Community: Llandeilo

Traditional County: Carmarthenshire

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Llandeilo

History

Extensive remains of a medieval castle first built by the Welsh princes in C13; partly remodelled by King Edward I with a gatehouse added on S and a rectanuglar tower on N. Late C15 additions by Sir Rhys ap Thomas.

Exterior

The masonry remains include an angular curtain wall, incorporating a circular tower to NW and a large round tower at SE angle, now surmounted by a C17(?)/C18 gazebo. Later additions include a rectangular hall facing N.

Reasons for Listing

Old Dynevor Castle became a major feature in the C18 landscaped park to Newton House (now Plas Dinefwr) situated approximately one kilometre to N.

Scheduled Ancient Monument: Cm29.

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