Saya mau tau Britania Raya dari Kematian dan pemakaman Pangeran Philip, Adipati Edinburgh

The prime minister, former prime ministers, the leader of the opposition, and the first ministers expressed condolences. The House of Commons was recalled a day early after its Easter break, on 12 April, to allow MPs to pay tribute. The House of Lords was already due to sit on that day. The Scottish Parliament, the Welsh Parliament and the Northern Ireland Assembly members also paid their tributes at meetings on the same day. Local election campaigns were also suspended. They resumed after the House of Commons members paid their tributes before pausing again on the day of the funeral.

Gun salutes were fired across the UK, in Gibraltar, and on warships, including  and , at sea. Sporting bodies modified their programmes as a mark of respect. On 11 April, a service of remembrance was held at Canterbury Cathedral by Archbishop Justin Welby. Similar services were held across the UK.

Alderman Bill Keery, a DUP councillor, was suspended from the party after making reference to "grooming" when speaking about the first meeting between the Duke and the Queen when she was 13.

In May 2021, the Royal Mail honoured Philip by issuing four black and white stamps depicting him at various stages of his life. The following month, HM Treasury unveiled a new special limited-edition £5 coin bearing Philip's portrait on Armed Forces Day, with the design approved by the Duke back in 2008. The exhibition "Prince Philip: A Celebration" at Windsor Castle and a complementary exhibition at the Palace of Holyroodhouse went on display in June and July respectively to mark what would have been Philip's 100th birthday.