The former prince has handed back his Windsor home 50 years early, while also winning a High Court battle over unlawful police raids.
Thames Valley Police admitted using the wrong legal powers to raid the former prince's homes on his 66th birthday.
The former courtier, who pioneered the royal walkabout and the landmark 1969 TV documentary, has died aged 96.
The former Duke of York has been granted permission to bring a judicial review over searches of Royal Lodge and his Sandringham residence.
The King will confront the legacy of the transatlantic slave trade during a nine-day visit, even as Downing Street continues to rule out reparations.
The princess passed away in her sleep just two days after the state funeral of her brother, King Harald V.