The Glamorgan-Gwent Archaeological
Trust Historic Environment Record
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Primary Reference Number (PRN) : 00323g Trust : Glamorgan Gwent Community : Llangybi Unitary authority : Monmouthshire NGR : ST36429739 Site Type (preferred type first) : Medieval Castle Status : Scheduled Monument
Summary : The castle is undisturbed in woodland. The stonework is very overgrown with ivy, small trees etc. but is for the most part in reasonable condition.
Description : The castle is undisturbed in woodland. The stonework is very overgrown with ivy, small trees etc. but is for the most part in reasonable condition.
Phillips notes that Llangiby Castle is not accessible as it is situated with the private grounds of Llangiby Estate. Whilst the site has no known documentary evidence for the period of PhillipsÃ¢â‚¬â„¢ study, he states that Llangiby estate passed to the de Cares in 1245 but that construction of the castle (called Tregrug meaning Ã¢â‚¬Ëœhome of the heatherÃ¢â‚¬â„¢, farm/town or hill/town) was most likely not started until 1312. It is also noted that when Roger Mortimer granted a charter to the town of Usk, he called himself the Lord of Tregrucke; the site was interpreted as a masonry castle with no sign of the existence of a previous earthwork castle (Phillips 2004).
Phillips, N. , 2004 , Thesis: Earthwork Castles of Gwent and Ergyng AD 1050 Ã¢â‚¬â€œ 1250
01/PM Desc Text///1956/Arch Camb/V91 p375
05/MM Record Card/OS//1957/ST 39 NE 3/
02/PM Desc Text//Bradney JA/Hist of Monm/V3 pp96-103
04/PM Mention//Min of Works/1953/List of Anc.Monuments/p138
03/PH Desc Text//Symonds R/1859/Diary...of the Royal Army/p206
06/MM Photo/GGAT/Lewis W/1980//
07/PM Desc Text//King & Perks DJ & JC/1956/Llangiby Castle CV pp96-
08/desc text/Cadw/2009/scheduled monument consent/copy in further information file