Grange Barn is a historic timber-framed building in Coggeshall, Essex, England.

[2] However it is generally accepted that it is slightly younger than the Barley Barn, also in Essex and dated to c. 1220, which has a claim to being the oldest timber-framed building in the country.

[1][3] Grange Barn is about quarter of a mile from the site of Coggeshall Abbey, which was founded in 1140.

Since the dissolution of the Abbey in the 1530s, most of its buildings have disappeared, but the barn remained in continual agricultural use up until 1960 when it was left derelict.

Grange Barn was listed in the 1960s,[4] and in 1982 it was compulsorily purchased by Braintree District Council, after pressure from a local group which also initiated the restoration of the building, the work being completed in 1985.