Jarvis Brook is a village in the Wealden District of East Sussex, England. It lies in the south-east of the Crowborough civil parish, about from Crowborough town centre.
In the 2021 Census, the electoral ward of the same name had a population of 4,305.
Around the centre of the village are numerous individual businesses along Crowborough Hill, that acts as a high street and ends at Farningham Road. Crowborough railway station, on the Uckfield branch of the Oxted line, was historically known as Crowborough and Jarvis Brook and serves the village.
To the north, Jarvis Brook Ward takes some of the land of the neighbouring village of Steel Cross, and to the south has a church that opened in 1876 called the Rethoboth Chapel.
The name Jarvis Brook has been the name of the village since prior to 1346, with the river in the village being named the "Gervys Brook". The river later adopted the name Jarvis Brook in tandem with the village. The earliest record of the village on a map is one from 1789.
The village grew when the station opened, with factories and houses being built around the area. The Crowborough Country Park was a clay quarry that supplied the Crowborough brickworks until it closed in 1980. In 2009, it was turned into a local nature reserve.
The Jarvis Brook Memorial Hall is a hall that was constructed and given to the people by wealthy landowners around the 1920s and has been used for various purposes, including a World War 2 hospital, where it got its namesake. In more recent times, the hall has fallen into a state of disrepair, with funding needed for the roof.
The village gets an hourly service from Crowborough railway station, and an infrequent local bus around the village and to Crowborough nearby. Two bus lines operated by Wealdlink serve the village, one heading to Wadhurst and the other heading down to Battle.
The B2157 runs along the north of the village and terminates at the B2100, which cuts straight through the village and heads down to Lamberhurst.
The Jarvis Brook is a small river that flows from several tributaries around Crowborough and is part of the Medway Upper catchment area. The river feeds into the Eridge Stream.
Along the river was Maynards Gate Furnace, a blast iron furnace. It was working in 1653 but ruined by 1664. It served the Maynards Gate Forge, which shared the same pond as the Furnace. The only modern evidence of its existence is the sudden ending of leat in a leveled area along the river downstream.
The Environment Agency measures the water quality of the river systems in England. Each is given an overall ecological status, which may be one of five levels: high, good, moderate, poor and bad. There are several components that are used to determine this, including biological status, which looks at the quantity and varieties of invertebrates, angiosperms and fish. Chemical status, which compares the concentrations of various chemicals against known safe concentrations, is rated good or fail.
The water quality of the Jarvis Brook is as follows: