History of the Green Party of England and Wales of Deputy Leader. The Green Party fielded more than 300 candidates for the 2010 general election. Caroline Lucas became the first Green candidate to gain a seat in Westminster, after being elected MP for Brighton Pavilion by a margin of 1,252 votes. The following week 600 new members had joined the Green Party bringing total membership to over 11,000. In previous years 600 new members was high for a whole year. On 24 May 2012, the six Green Party councillors elected to Stroud District Council formed a power sharing administration (a "constructive cooperation") with both the Labour Party and the
Brighton Pavilion (UK Parliament constituency) Stanmer, and Westdene. 2010–present: The City of Brighton and Hove wards of Hanover and Elm Grove, Hollingdean and Stanmer (called Hollingbury and Stanmer before 2011), Patcham, Preston Park, Regency, St Peter's and North Laine, and Withdean. The constituency was created in 1950 from the former two-member constituency of Brighton (one of the last remaining multi-member constituencies), for which Brighton Pavilion's first Member of Parliament, Sir William Teeling, had previously been the joint representative. The present name is derived from the Royal Pavilion. On current boundaries, the pavilion itself is right on the South-Eastern border of the seat – the opposite