Galltfaenan Hall

Gallfaenan Hall, also known as Alltvaynan, is a Grade II listed building near to Trefnant and Henllan in Denbighshire, Wales.

Maenan means "Place of the big stone" and in the area, equates to "Manor House".

She married Townshend Mainwaring of Marchwiel Hall, who at various times was a Member of Parliament, Justice of the Peace and High Sheriff of Denbighshire.

It was again remodelled in the 1860s, using designs by the Denbigh firm of Lloyd Williams and Underwood that included a galleried stair hall.

He arranged the construction of an additional wing designed by F. C. Saxon, with other interior work by Waring and Gillow.