The National Lift Tower is the tallest building in Northampton. Opened in 1982 by HRH Queen Elizebeth II the tower stands at 127 meters tall and was originally called the Express Lift Tower. For the first half of the tower lift is testes lift equipment but now hosts others projects and is currently the tallest drainage testing rig in the world specialising in high rise drainage technology for Aliaxis, a global leader in drainage products.