 Other materials from Cassiobury were used to restore Monmouth House in Watford High Street.The mechanism of the clock which was designed in 1610 by Leonard Tenant was removed from the turret of Cassiobury House and is now on public display in the British Museum as an example of a seventeenth century tower clock.A set of 12 late medieval stained-glass roundels depicting the Labours of the Months which had been installed in Cassiobury House during the 19th century was purchased by the Victoria and Albert Museum.