The house also incorporates the Museum of the Essex Regiment and the Essex Yeomanry. Highlights of this collection include the French Imperial Eagle captured by the 2nd Battalion of the 44th Regiment of Foot from the French 62nd Régiment d'Infanterie de Ligne at the Battle of Salamanca in 1812, as well as "The Last Stand of the 44th Regiment at Gundamuck", a painting by William Barnes Wollen depicting the 1842 retreat from Kabul in Afghanistan.