Leiston is an English town in the East Suffolk non-metropolitan district of Suffolk, near Saxmundham as well as Aldeburgh, concerning 2 miles (3 kilometres) from the North Sea shore, 21 miles (34 km) north-east of Ipswich and also 90 miles (145 km) north-east of London. The community had a population of 5,508 at the 2011 Census. Given that the closure of Garrett's, the town's economic climate has actually been dominated by two nuclear power stations on the coastline at Sizewell: the now decommissioned Magnox reactors of Sizewell An and also the more modern-day Pressurised Water Reactor of Sizewell B. A variety of smaller firms run from enterprise zones within the town. Leiston's High Street serves as business as well as market center of the surrounding farming area. The town's facilities consist of a post office, library, banks, clubs as well as a series of stores and various other services. Leiston Film Theatre, a half-timbered building with road front shops, is the earliest purpose-built movie theater in Suffolk. The movie theater is had as well as run by Leiston-cum-Sizewell Town Council and sustained by the Leiston Film Theatre Support Club, which has actually raised money for phase refurbishment and also allowed the movie theater to set up the current digital 3D forecast system.