The property was split in two so that Harry could isolate himself there without meeting Eugenie or her husband, who now live at the house, it is claimed.
The Duke of Sussex will need to self-isolate for at least five days and test negative for the coronavirus before he can attend the unveiling of Princess Diana’s statue on July 1.
The official event will take place in Kensington Palace Garden and mark what would have been Diana’s 60th birthday.
A royal insider told The Sun: ‘Eugenie and Jack received the keys last year and said they could use them while Harry and Meghan were in America.
“The cottage is now literally split in two, which means Harry can isolate himself in one half of the house without ever coming into contact with his cousin and family.
“It was set up for his comeback after last minute plans seemed to work when he returned for the Duke of Edinburgh’s funeral in April. “
Prince Harry will be alongside his brother William for the unveiling of their mother’s statue on July 1.
It will be their first face-to-face since the Duke of Sussex criticized his family in the documentary The Me You Can’t See.
He told Oprah Winfrey how he had felt ‘neglected’ during his tenure as a royal and was ‘trapped’ within the family.
On a previous podcast, the Duke spoke of wanting to “break the cycle” of “pain and suffering” with his children.
Harry’s visit to the UK also comes after an argument over whether he asked or told the Queen he was naming his daughter after her.
The Mirror previously reported how Harry communicated his intentions to the Queen years before meeting his wife Meghan.
The Duke of Sussex has informed his beloved grandmother of his desire to use her name – or at least part of it – when discussing his future family life, well-placed sources have confirmed.
Harry’s decision, along with his wife Meghan, to name their newborn daughter Lilibet – who will be known as Lili – after the affectionate nickname of the Queen given to her by her grandfather George V has left the monarch behind ” delighted “.
A royal source said: ‘Harry has always had a wonderful bond with his grandmother, which makes it all the more bizarre that he has gone out of his way to threaten the relationship for the past two years.
“They were incredibly close and, as you can imagine, they shared very deep and personal conversations as Harry was growing up, which continued until very recently.
“Harry has never hidden his wish to have a family of his own, often explaining how great it would be to have a boy and a girl, whom he could name after the two most important women in his life. , the queen and her mother.
“He had toyed with the idea of naming a future girl after her mother’s name, but was wary of the attention it would undoubtedly give to the little girl.
“Ultimately he mentioned Lilibet to Meghan, when discussing potential names for their children and she loved the idea.
“It’s a fitting tribute to the Queen and something that many people hope will bring the family closer together. “