King Charles III welcomes Trump to Windsor for unprecedented state visit

U.S. President Donald Trump, accompanied by First Lady Melania Trump, will undertake a state visit to the United Kingdom from September 17 to 19, 2025, at the invitation of King Charles III. The visit, held at Windsor Castle due to ongoing renovations at Buckingham Palace, marks a historic event, being the second time Trump is received for a state visit, an unprecedented occurrence for elected leaders in modern times. The itinerary includes a ceremonial reception and a state banquet but no public events, with travel primarily by helicopter. The visit comes amid political tensions, with planned protests in London and a robust security operation in preparation. The invitation was extended by British Prime Minister Keir Starmer during a White House meeting in February, aiming to strengthen trade ties between the UK and the U.S.

The decision to invite Trump for a second state visit breaks with tradition, as U.S. presidents in their second term typically receive less formal invitations, such as teas or lunches with the monarch. Described as “truly historic” by Starmer, the event reflects the British government’s intent to solidify strategic partnerships amid global changes.

• Visit motivations: Strengthen diplomatic and trade ties between the UK and U.S.
• Political context: Trump seeks to advance post-Brexit trade agreements.
• Expectations: The visit will feature pomp but also tensions due to protests.

Reception at Windsor Castle

The choice of Windsor Castle as the primary venue for Trump’s visit is due to Buckingham Palace renovations, expected to continue until 2027. The castle, a historic royal residence, will provide a majestic setting for the ceremonial reception and state banquet in St George’s Hall. The official agenda has not been fully disclosed but is expected to include meetings with senior royals, such as King Charles III, Queen Camilla, the Prince and Princess of Wales. Unlike previous visits, the program will be more private, with no public events, a decision reflecting security concerns and the political polarization surrounding Trump.

The state banquet, a highlight of any state visit, will feature prominent government and royal figures. In 2019, during his first state visit, Trump was received with similar grandeur but faced criticism for his stance on global issues like climate change. This time, the event is expected to be more discreet, focusing on trade negotiations with less public exposure.

• Ceremonial reception: Includes military honors and a formal parade.
• State banquet: Held in St George’s Hall with key officials in attendance.
• No public events: Measure to minimize protest risks.
• Royal participation: King Charles III and other senior royals will be present.

Enhanced Security Measures

Trump’s UK visit will require a robust security operation, especially after protests during his July 2025 Scotland trip. On that occasion, over two dozen vehicles, including the presidential limousines known as “The Beast,” were escorted by police and medical teams. For September, British authorities are planning airspace restrictions and the deployment of thousands of police officers, with estimated costs similar to the £3.4 million spent by London’s Metropolitan Police in 2019.

London’s Police, in coordination with the U.S. Secret Service, are finalizing security details. Trump is expected to arrive in the UK on a Boeing 747-200B, known as Air Force One, accompanied by a fleet of support vehicles transported by U.S. Air Force aircraft. Logistics include measures to protect the president during travel, which will be predominantly aerial to reduce the risk of confrontations with protesters.

• Police mobilization: Thousands of officers will be deployed in London and Windsor.
• Airspace restrictions: Controlled airspace during the visit.
• Presidential fleet: Includes armored limousines and communication vehicles.
• Estimated costs: Comparable to £3.4 million from 2019.
• Travel arrangements: Priority for helicopters, avoiding dense urban areas.

Expected Protests in London

The Stop Trump coalition, which organized protests in Aberdeen and Edinburgh during Trump’s Scotland visit, is planning a major “Trump Not Welcome” demonstration in London on September 17. The group criticizes the U.S. president for his positions on climate change and alleged support for controversial leaders in international conflicts. In July, hundreds of protesters gathered in Scotland, with actions including boos and a paraglider flying over Trump’s Turnberry golf course with a critical banner.

Liberal Democrat leader Ed Davey’s decision to boycott the state banquet underscores the tense atmosphere. He cited Trump’s stance on the Gaza humanitarian crisis as his reason for not attending. The absence of public events in the visit’s agenda is seen as a strategy to avoid direct confrontations with protesters, but authorities remain on alert for potential disturbances.

• Planned demonstration: “Trump Not Welcome” set for London on September 17.
• Coalition criticisms: Focus on climate policies and support for controversial leaders.
• Ed Davey’s boycott: Liberal Democrat leader will skip the banquet.
• Precedents: Protests marked Trump’s visits in 2019 and 2023.

Other State Visits Hosted by King Charles III

Since ascending the throne in September 2022, King Charles III has hosted state visits from several international leaders, reinforcing British diplomacy. Trump’s visit will be the fifth since his coronation, following meetings with leaders like French President Emmanuel Macron in July 2025, Qatar’s Emir Sheikh Tamim bin Hamad Al Thani in December 2024, Japan’s Emperor Naruhito in June 2024, and South Korean President Yoon Suk Yeol in November 2023. Each visit featured formal ceremonies and strategic negotiations, with the UK seeking to strengthen economic and political ties in a volatile global landscape.

Macron’s visit, for instance, highlighted defense and energy cooperation agreements, while the Qatar emir’s focused on energy sector investments. Trump’s visit, however, is considered the most challenging due to his polarizing profile and domestic political tensions in the UK. Additionally, Charles and Camilla have conducted state visits to countries like France, Italy, Germany, Kenya, and Australia, solidifying the monarchy’s role in British diplomacy.

• Macron’s visit: Defense and energy cooperation in July 2025.
• Qatar emir’s visit: Focus on energy investments in 2024.
• Emperor Naruhito’s visit: Strengthened cultural and economic ties.
• Yoon Suk Yeol’s visit: Discussions on technology and trade.
• Charles’s travels: State visits to five countries since 2022.

Trump’s Relationship with the UK

Trump’s relationship with the UK has been marked by moments of alignment and tension. During his 2019 state visit, he praised the “eternal friendship” between the two nations but faced criticism for comments on Brexit and British domestic politics. In July 2025, his Scotland visit, where he owns golf courses, saw protests but also meetings with leaders like Keir Starmer and Ursula von der Leyen. The September visit reinforces Starmer’s push for a favorable U.S. trade deal, at a time when Trump is advocating for protectionist tariffs.

The personal rapport between Trump and Starmer, described as positive, may facilitate negotiations, but global issues like the Ukraine war and Middle East crisis loom over the visit. Trump has expressed admiration for King Charles, calling him a “true gentleman” in a BBC interview, but avoided commenting on Charles’s Canadian Parliament speech, seen by some as a veiled critique of U.S. policies.

• Starmer relationship: Personal rapport may aid trade talks.
• 2019 visit: Praised friendship but criticized for political interference.
• Scotland 2025: Mixed protests and diplomatic meetings.
• Trump’s stance: Admiration for Charles, silence on tensions.