 Concerned with the demolition and desecration of various historic country houses since the end of the Second World War – 450 great houses were completely demolished in England between 1945 and 1955 – in the 1970s the National Trust commissioned architect Mark Girouard to catalogue and assess the remaining Victorian country houses across the United Kingdom for significance and structural integrity . He published his findings in a report , and later in the book The Victorian Country House , which in the revised second edition of 1976 included Tyntesfield as allowing access . With the Trust as a result placing Tyntesfield second on its list of priorities for preservation , Girouard said of the property : 
