The menagerie was built in 1781 when the estate was owned by Marquess of Buckingham. It was most likely designed by Vincenzo Valdre and was built as Her Ladyships Menagerie. It was converted by the 1st Duke into a museum displaying a vast collection of geological specimens. Since the school have taken over the site there have been various extensions to the rear of the menagerie, varying in date from late 1930’s to early 1980’s. The building is now used by Stowe School as the school shop and tuck shop. The roof is in need of repair, and this is impacting the condition of the rest of the building, in particular the south elevation. The large majority needs reroofing, and leadwork should be put back in place where this has previously been replaced with felt. The parapet wall to the south is failing and the lead flashing details are poor, which is leading to water ingress causing the decorative render and soffits to fail, and large areas of this have been lost or are badly water damaged. The copper dome needs temporary repairs to protect the internal decorative paintwork and ultimately needs replacing.