Avenue House Grounds is a ten-acre (four hectares) Site of Local Importance for Nature Conservation on East End Road in Church End, Finchley in the London Borough of Barnet. The estate is now known as Stephens House and Gardens. Avenue House is a Grade II listed Victorian villa dating from 1859 on a site previously known as Temple Croft Fields, named after the Knights Templar, who were granted 40 acres there in 1243. From 1312 to the Dissolution of the Monasteries in 1539, it was owned by the Knights Hospitaller.