Conservation areas exist to protect the uniqueness of places and there are around 10,000 areas in England, with 10 of them within the Borough. They have extra planning controls and considerations in place to protect the historical elements of the area. The areas include: Civic Core, Estcourt, Grove Mill Lane, High Street and King Street, Macdonell Gardens, Nascot, Oxhey, St Mary's, The Square and Watford Heath.