Plymouth House. This house has a reputation of forming part of the Celtic Monastery. It became the Manor House of West Llantwit or Abbot's Llantwit, the land given to Twekesbury Abbey by the Normans. After the dissolution of the monasteries, it was bough by Edward Stradling as his town house. It passed to Lewis of the Van, then to the Earl of Plymouth. It was bough by Dr. J. W. Nicholl Carne who renamed it.