Princess Eugenie and Princess Beatrice’s childhood home has remained empty since undergoing a multi-million-pound rebuild two years ago. Angry neighbours described it as an “eye sore” that resembles a supermarket. Sunninghill Park in Berkshire was sold by Prince Andrew to Timur Kulibayev, the son-in-law of the former president of Kazakhstan, Nursultan Nazarbayev, in 2007 for £15million. After falling into a state of disrepair, the property was demolished in 2015 and a new, lavish home was constructed. According to sources, the project cost close to £18million. Work was completed two years ago,…