The Mountbatten diaries case was a long freedom of information fight in the UK over the private diaries and letters of Lord and Lady Mountbatten. Historian Andrew Lownie won the release of most of the papers, but a UK tribunal in 2022 allowed some parts, including material linked to India and the royal family, to stay redacted.
When TSA first reported this story in 2021, the case was still being heard. This updated explainer sets out what the papers are, why they matter to India and Pakistan, what the tribunal decided and what has been made public since.
Who were the Mountbattens?
Lord Louis Mountbatten was the last Viceroy of British India and served as the first Governor-General of independent India from 1947 to 1948. He oversaw the transfer of power and the Partition of India in August 1947. He was also an uncle of Prince Philip and was close to the British royal family.
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His wife, Edwina Mountbatten, was known for her relief work during and after Partition. Her friendship with Jawaharlal Nehru, India’s first Prime Minister, has been the subject of books and public interest for decades. Lord Mountbatten was killed in an IRA bomb attack in Ireland in 1979, and Edwina died in 1960.
What are the Mountbatten papers?
The diaries and letters form part of the Broadlands Archives, the family papers once kept at the Mountbatten home in Hampshire. In 2011 the University of Southampton bought the archive with the help of public funding, reported at over £2.8 million. The aim was to keep the collection in the UK and open it to researchers.
The papers cover the years before and after Partition, including the Mountbattens’ private diaries from 1947 and 1948. Historians consider them an important source on how decisions were taken in the final months of British rule.
Why did Andrew Lownie go to court?
Andrew Lownie, a British historian and literary agent, was researching his 2019 book, The Mountbattens: Their Lives and Loves. While writing it, he asked to see the full diaries and letters under the UK Freedom of Information Act, but parts were withheld.
In 2019 the Information Commissioner’s Office, the UK’s data and information regulator, ruled in his favour and said the material should be released. The University of Southampton and the Cabinet Office appealed. The case then went to the First-tier Tribunal (Information Rights), which held a five-day hearing in late 2021.
The cost of the case
The case drew attention because of how much it cost. In 2021, UK media reported that public spending on fighting the release had reached around £600,000, which is the figure TSA’s original story cited. Lownie has said the true public cost was much higher, though that claim has not been independently confirmed.
Lownie paid his own legal costs. By April 2022 he said he had spent over £250,000 of his savings and raised more than £63,000 through crowdfunding. He later told The Bookseller he faced a bill of about £400,000 after his request to recover costs was refused.
What the tribunal decided
The tribunal’s decision, reported in 2022, largely agreed with the Cabinet Office on the remaining disputed material. It found that several exemptions under the Freedom of Information Act applied, covering national security, international relations, communications with the royal household and personal data.
The tribunal also found that the University of Southampton did not legally “hold” the letters between Edwina Mountbatten and Nehru, a set of 33 files from 1948 to 1960. The university was only keeping them safe on behalf of the family, so the Freedom of Information Act did not apply to them.
What has been released so far
Most of the material is now public. Before the hearing, the Cabinet Office narrowed the parts it wanted to keep back, and the university began putting previously closed papers online in May 2021. According to PTI’s report on the ruling, around 30,000 pages of diaries and letters have been released.
Lownie described the overall result as a victory for open records, even though some passages remain redacted. He also said he did not expect major new revelations, as much of the content already appears in other books and memoirs.
Key dates at a glance
| Year | Event |
|---|---|
| 1947 | Mountbatten oversees Partition and India’s independence |
| 2011 | University of Southampton buys the Broadlands Archives |
| 2019 | Lownie’s book The Mountbattens is published |
| 2019 | Information Commissioner orders release; decision is appealed |
| 2021 | University begins publishing papers online; tribunal hearing held |
| 2022 | Tribunal allows some redactions to remain |
Why the case matters to India
For Indian readers, the papers are part of the record of Partition, which displaced millions of people and led to large-scale violence. Any first-hand account from the people in charge at the time is of value to historians in India, Pakistan and Bangladesh.
The case also shows how governments can keep historical records closed on grounds such as foreign relations, even many decades later. For more history explainers, visit our Infotainment section, and read profiles of public figures under People.
Frequently asked questions
Are the Mountbatten diaries now public?
Mostly yes. The University of Southampton has released the large majority of the diaries and letters, but some passages remain redacted after the 2022 tribunal decision.
Why were parts kept secret?
The tribunal accepted exemptions linked to national security, international relations, the royal household and personal data.
Were the Edwina and Nehru letters released?
No. The tribunal found the university only safeguarded those letters for the family and did not legally hold them, so they fall outside the Freedom of Information Act.
Who is Andrew Lownie?
He is a British historian and literary agent who wrote The Mountbattens: Their Lives and Loves (2019) and led the legal effort to open the papers.
Sources: Henderson Chambers on the tribunal decision, PTI report via Morung Express, The Bookseller.
