of Common Prayer at this church. A south window contains stained glass depicting the presentation of the first English Prayer Book to King Edward VI by Archbishop Cranmer. In the 14th century the east window was installed, and it has now been renewed in the same pattern by artist J. O. Scott. All Saints' has a nave including a baptistry to the west, south porch and aisle with chancel to east, and vestry addition to the north; on the north side are lancet windows, with one two-light perpendicular window in the north and south walls. Its gabled wooden porch has cusped bargeboards; the original stone door surround of the south door was rebuilt from pieces in a later restoration. In 1907 a second church was constructed in front of Memorial Park and at the foot of the road to Chelsham, dedicated to St Christopher. Post Industrial Revolution In 1841 Warlingham had 512 inhabitants; a notable resident of the Victorian period was Sir Joseph Swan, inventor of the incandescent light bulb. Sir George Gilbert Scott led the project to renovate and restore All Saints' Church in 1857. Its south aisle was added in 1893. All Saints' plain-tiled roof with tile-hung bellchamber above, under a gilt and iron weathervane, was also added in 1893. Five Coal-tax posts are listed for historic importance in Warlingham parish and there are six architecturally listed buildings: Court Cottage, The Vicarage, 23-31 Leas Road, the Church of All Saints, The White Lion (public house) and The Barn, sited by the vicarage. Also the World War I War Memorial has made the national heritage list. Both the vicarage and the church are listed at the higher grade of Grade II* whereas the rest are at Grade II. Warlingham gave its name to the large psychiatric hospital that was opened on the borders of Warlingham and Chelsham in 1903. Originally called the "Croydon Mental Hospital" the institution was renamed "Warlingham Park Hospital" in the 1930s. The buildings, apart from the water tower, were demolished and the site redeveloped as a private housing estate called "Greatpark" in the early years of the 21st century. During the Second World War, Warlingham was witness to the Battle of Britain, much of which was fought in the skies above this part of Surrey. The former RAF bases of Biggin Hill and Kenley were within a few miles of Warlingham in either direction, and