Attractively sited at one end of Boxmoor Common , just south west of the new town centre. It is a church of 1868-74 by R. Norman Shaw, with a western extension by T.F. Woodman of 1893. The Dalle de Verre window is by Joseph Nuttgens and dates from 1972. The brass is a 20th century memorial in a medieval style.
St John the Evangelist, Boxmoor, Hemel Hempstead