The Priory North London, SouthgatePriory North London is located in North London in the leafy suburb of Southgate. The nearest tube station is Southgate, which is a 5 minute walk from the hospital. Kings Cross, London to Southgate is about 20-25 minutes. Alternatively if driving the hospital is 15 minutes by car from Junction 24 of the M25. Heathrow to Southgate is 1hour 15mins by tube.