Original sentence: Southwark Playhouse's web site
Edited sentence: After leaving its original home in Southwark Bridge Road in 2006, Southwark Playhouse operates in vaults beneath platform one of London Bridge railway station, accessed from Tooley Street.It has been designed by Rogers Stirk Harbour & Partners with the help of urban regeneration developer First Base.Part of the broader regeneration of Elephant & Castle, this part of the project was scheduled in 2007 to take two-and-a-half years, with completion due in spring or summer 2010.Southwark Playhouse's website.The new theatre is being built through a section 106 agreement between Southwark Council and English Partnerships and will be part of a mixed-used development centred on a 44-storey residential tower with cafes and public space.The new theatre will boast a 200-seat main studio space and a 100-seat youth and community space.This is a temporary residence until completion of a purpose-built theatre at Elephant & Castle on the site of the Old London Park Hotel