A settlement was recorded in the 13th century, when a market was established. Construction of Knole House in the 15th century helped develop the village. Sevenoaks became part of the modern communications network when one of the early turnpikes was opened in the 18th century; the railway was relatively late in reaching it. In the 21st century, it has a large commuting population. The nearby Fort Halstead defence installation was formerly a major local employer. Located to the south-east of the town is Knole Park, within which lies Knole House.