Great British Houses: Interior - Wentworth Woodhouse, Wentworth, near Rotherham, South Yorkshire, England. At over 600 feet long, it has the longest country house façade in Europe, and is also the largest private house in the UK. Built by the 1st Marquess of Rockingham, it became the family seat of the Earls Fitzwilliam.
The Fitzwilliam family owed much of its fortune to the coal beneath the house and, during the post-War period, much of the estate was used for open-cast mining, which came right up to the edge of the main lawn
The Rockingham mausoleum A three-story building 90 ft high, situated in woodland, where only the top level is visible over the treetops; it was designed by John Carr, as an adaptation of the Roman Cenotaph of the Julii. The ground floor is an enclosed hall containing a statue of the first Marquess, and busts of his eight closest friends. The first floor is an open colonnade with Corinthian columns surrounding the sarcophagus. The top storey is a Roman-style cupola.
House that Jane Austen hero Mr Darcy is on sale for £8million