Sir Charles Barry redesigned Highclere Castle in 1842 while he was also drawing the Houses of Parliament, and the family resemblance shows in every pinnacle. Bath stone tracery was wrapped around a plain Georgian block, producing the Jacobethan silhouette that travellers researching highclere castle tours from london by train tours recognise long before they reach the gates. The estate long predates the skin it wears. Domesday recorded an episcopal manor on this ground in 1086, and the Bishops of Winchester held the land for roughly eight centuries. Capability Brown reshaped the park between 1774 and 1777, clearing formal avenues and planting the cedar groves that still frame the south lawn. Around 1,000 acres of parkland remain, with the Temple of Diana below the house and the folly called Heaven's Gate set on the ridge above. The Herbert family, later Earls of Carnarvon, have held Highclere since 1679. The 5th Earl financed Howard Carter's excavations in the Valley of the Kings and stood at the opening of Tutankhamun's tomb in November 1922; he died in Cairo five months afterwards. His Egyptian collection, walled into a cellar and rediscovered only in 1988, now fills the basement exhibition. Television gave the house a second identity. Filming began in 2010, and across six series and three feature films — the last reaching cinemas in 2025 — the saloon, library and stone staircase became the fictional seat of the Crawley family. That association now drives most Hampshire country house itineraries, though the castle's Newbury address and Great Western rail connection place it in Berkshire's river valley rather than in any London orbit. Inside, the Gothic saloon is lined with Spanish leather carried from Cordoba in the 1630s. The library holds roughly 5,650 volumes behind a screen of columns, Napoleon's desk stands in the drawing room, and the Music Room retains Italian embroidery dated to the 1500s. Eleven bedrooms open on public days, alongside the servants' quarters that anchor so much of the estate's screen life. Little of this is staged scenery. The Carnarvons still occupy private wings, and conservation of roof, stonework and interiors is funded largely by admissions — the £32 entry covering castle, exhibition and gardens. That same working fabric is what every itinerary sold as highclere castle tours from london by train tickets ultimately delivers visitors to, whether the approach is made by rail, by road, or on a Downton Abbey filming locations circuit that pairs the house with Bampton and Oxford.