Sydenham Hill of large residential properties built along Sydenham Hill, including Grange Court (1861), The Wood (1840), Dilkhoosh (now Fountain House) (1864), Highfield (1855), The Cedars (1894), Sydenham Hill House (1898), Dulwich Wood House (1858), Beltwood House (1851) and Castlebar (1879). In 1854, the areas importance was increased after the Crystal Palace was relocated from Hyde Park and re-erected on the southwestern end of the ridge. In 1863, the Chatham Main Line was opened by the London, Chatham and Dover Railway, bringing the railway to Sydenham Hill. Construction involved building a 1.2 mile (1,958 meter) tunnel through the hill, starting at College
Sydenham from London Bridge to West Croydon, opening in 1839. After the railway opened potential gas companies began to consider the Sydenham area with the Crystal Palace and District Gas Company having works at Bell Green, which continued production until 1969; a retail park now occupies most of the site. In 1851 the Great Exhibition in Hyde Park was housed in an immense glass building, called the Crystal Palace. In 1854 the building was bought by a private company, dismantled and re-erected in Sydenham Park (now called Crystal Palace Park). Exhibitions, concerts, conferences and sporting events were held at the Crystal