It has become known as the gloomy home of House Tully, but now the castle used as Riverrun in Game of Thrones is for sale.

With 10 bathrooms and over 15 bedrooms, a portion of Gosford Castle, in County Armagh, Northern Ireland, could be yours for a mere £500,000, less than the price of the average London flat, £574,586.

Fans of the HBO fantasy drama may recognise the castle, which was first seen in season one when Rob Stark executes Richard Karstark for treason, and later used for season three's gory Red Wedding, in which several of the show's main characters were killed off.

Prospective buyers fear not, however; HBO has cleaned up well, and the only tragedy about this Grade A listed building is its lack of central heating. Gosford Castle Development has divided it into six apartments – each with their own apartments – fittingly named The Inner Bailey, The Great Hall, The Old Keep, The Dining Room House, The Library Wing, and The Round Tower.