| Constituents of the London Brighton & South Coast Railway |
| London & Croydon Railway 1835-1846 | Croydon & Epsom Railway 1844 | London & Brighton Railway 1837-1846 | Brighton & Chichester Railway 1844-1846 |
| Brighton, Lewes & Hastings Railway 1844-1846 | Wimbledon & Croydon Railway 1853-1866 | West End of London & Crystal Palace Railway 1853-1860 | East Grinstead Railway 1853-1865 |
| Epsom & Leatherhead Railway 1856-1864 (joint with LSWR) | Mid Sussex Railway 1857-1864 | Lewes & Uckfield Railway 1857-1860 | Mid Sussex & Midhurst Junction Railway 1859-1874 |
| Horsham & Guildford Direct Railway 1860-1864 | Bognor Railway 1861-1864 | Brighton, Uckfield & Tunbridge Wells Railway 1861-1864 | Banstead & Epsom Downs Railway 1862-1864 |
| Horsham, Dorking & Leatherhead Railway 1862-1864 | East Grinstead, Groombridge & Tunbridge Wells Railway 1862-1864 | Chichester & Midhurst Railway 1864-1876 | Tooting, Merton & Wimbledon Railway 1864-1878 (joint with LSWR) |
| Tunbridge Wells & Eastbourne Railway 1873-1876 | Lewes & East Grinstead Railway 1877-1882 | Southsea Railway 1880-1883 (joint with LSWR) | Woodside & South Croydon Railway 1880-1882 (joint with SER) |
| Oxted & Groombridge Railway 1881-1884 | West London Extension Railway (Joint with GWR, LNWR, LSWR) | East London Railway (Joint 1882 with SER, L C & D R, GE, Metropolitan, Metroplitan District) | Croydon & Oxted Joint 1884 with SER |
| Portsmouth & Southsea Joint Railway 1848 with LSWR | | | |
