Abingdon Street Jewel Tower | English HeritageThe Jewel Tower, or 'King's Privy Wardrobe', was built c.1365 to house Edward III's treasures.History-making days out from £6.50 per adult The Jewel Tower dates back almost 650 years and is an intriguing visitor attraction in the heart of Westminster. It was built around 1365 to house Edward III’s treasures and was known as the ‘King’s Privy Wardrobe’. https://www.english-heritage.org.uk/visit/places/jewel-tower/