Dunster Castle front and square towers, set within the older castle walls and overlooked by the keep above. The building was decorated in the latest styles, including ornamental plaster ceilings. The project ran almost three times over budget, costing Luttrell more than £1,200. In the 1640s the English Civil War broke out between the supporters of King Charles I and Parliament. Thomas Luttrell, George's eldest son, initially supported Parliament and after the outbreak of war William Russell, the Duke of Bedford and Parliamentary commander in Devon and Somerset, ordered him to increase the garrison at Dunster to resist a potential Royalist attack.
Dunster Castle left in the castle grounds, the remaining servants had little to do. John's brother Henry inherited in 1857, but he too lived in London rather than at Dunster. George Luttrell inherited the castle in 1867 and began an extensive modernisation, backed by the considerable income from the Dunster estates – in a period of agricultural boom in England, the estates were producing £22,000 in revenue a year (£1.49 million at 2010 prices). It was fashionable during the mid-Victorian period to remodel existing castles to produce what was felt to be a more consistent Gothic or sometimes Picturesque appearance and George,