The work, aimed at replacing 60‑year‑old wiring and lead pipes, unearthed a trove of objects that seem to have been hidden beneath floorboards for generations.
The most striking find—a fragment of a 27 November 1889 theatre listing from The Standard—links the palace to London’s theatrical scene at the cusp of the Edwardian era.
A second highlight is a sixpence ticket dated 14 April 1949, evidence of a card‑game event hosted by the palace’s social club during King George VI’s reign; the ticket’s modest price underscores the everyday leisure of palace staff.
Workers also recovered a typed schedule outlining Queen Elizabeth II’s 1977 diplomatic reception plans, a document that details how the Queen intended to circulate 350 British guests through the State Rooms while encouraging mingling with diplomats in the Music Room and West Gallery.
The restoration—funded by a temporary rise in the Sovereign Grant—continues a decade‑long programme to modernise the palace’s infrastructure, and the safety audit revealed that the old Indian‑rubber‑cable poses a significant fire risk.
All recovered artifacts will be sent to the Royal Archives for cataloguing and conservation, ensuring that the palace’s hidden history is preserved before the building reopens to the public.