Hornsey is a district of north London, England, in the London Borough of Haringey. It is an inner-suburban, for the most part residential, area c…Hornsey is a district of north London, England, in the London Borough of Haringey. It is an inner-suburban, for the most part residential, area centred 10 km north of Charing Cross. It adjoins green spaces Queen's Wood to the west and Alexandra Park to the north, and lies in the valley of the now-culverted River Moselle. The central core of the area is known as Hornsey Village.