Aberpergwm House

Aberpergwm House (Welsh: Aberpergwm) is an abandoned and ruinous country house located in Glynneath, Wales. Within the grounds of the house sits the church of St. Cadoc, which is possibly of late medieval origin.

The present house is a remodelling of an older house known as Neuadd Pergwm. The house came into the ownership of the Williamses of Blaen Baglan in around 1560. It is said that Oliver Cromwell was related, and so the house was saved from pillage during the English Civil War. The Williams family were one of the few Welsh gentry families to remain faithful to the Welsh language.

By 1850, the house was ‘playfully crenellated’ with a central pediment” In 1876, the house was remodelled by Morgan Stuart Williams, who later went on to restore St Donat's Castle This ‘overwhelmed’ the work of 1850, and included the addition of a new front range dominated by a ‘remarkable top heavy Elizabethan gallery across the whole front’ of 94 feet. The gallery was added in the spirit of the ancient Glamorgan halls, such as Llantrithyd Place. A further castellated wing was added along the hill. In 1868, Williams had rejected earlier plans by John Norton for a new house in Gothic style with a tower. Williams, by rejecting Norton’s Victorian High Gothic appeared to be playing safe. An elaborate central door surround (now missing) could be a 17th-century Jacobean survival, or may be a convincing replica. The house is built of Pennant Sandstone with Bath stone dressings.

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