Radwell is a village and civil parish in Hertfordshire, England. It is situated close to the A1 a little to the north of Baldock and Letchworth Garden City and is in the district of North Hertfordshire. The small 14th-century Church of All Saints is in the center of the village. The actor Nigel Hawthorne and his long-time partner Trevor Bentham lived in the village for some years until the nearby Baldock Services was built.