78 Derngate A stones throw from Northampton town centre, 78 Derngate draws visitors from around the world. It's the only house in England designed by celebrated designer Charles Rennie Mackintosh. Designed in 1916 and now fully restored, you can enjoy a guided tour, afternoon tea and a browse in the art galleries. An unmissable day out. At the moment, you'll need to pre-book an entry ticket to 78 Derngate. Call them on 01604 603 407 to find out more.