London Borough of Haringey, GB
St Mary's Tower, Hornsey is the only piece of architecture remaining from St Mary's medieval parish church in Hornsey, now part of the environs of north London. The tower is the oldest building in Hornsey, though the exact date of building is not known. It remains a consecrated space.
Listen to the audio guide for St Mary's Tower Free on WIP — starts by itself when you arrive, even with the screen off