Margam Abbey was created in 1147.
Margam Castle was created in 1840.
No, because of how the monks were living in it.
if you mean margam manor house (margam castle), then yes it is very much haunted.
Robert B. Patterson has written: 'The Haskins Society Journal 4' 'The Scriptorium of Margam Abbey and the Scribes of Early Angevin Glamorgan' -- subject(s): History, Latin Paleography, Manuscripts, Latin (Medieval and modern), Margam Abbey, Nobility, Scriptoria, Sources 'Earldom of Gloucester charters' -- subject(s): Biography, Countesses, History, Nobility, Sources
Waltham Abbey - abbey - was created in 1030.
Margam Castle has never been knocked down or invaded.
Denny Abbey was created in 1159.
Tintern Abbey was created in 1131.
Tamié Abbey was created in 1132.
Kilcooly Abbey was created in 1182.
Stanbrook Abbey was created in 1625.
Pairis Abbey was created in 1138.