25/04/2013 12:24 BST | Updated 25/04/2013 13:04 BST

Margaret Thatcher Funeral Cost £3.6m, Downing Street Reveals

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LONDON, ENGLAND - APRIL 17: Members of the Armed Services carry the coffin during the Ceremonial funeral of former British Prime Minister Baroness Thatcher at St Paul's Cathedral on April 17, 2013 in London, England. Dignitaries from around the world today join Queen Elizabeth II and Prince Philip, Duke of Edinburgh as the United Kingdom pays tribute to former Prime Minister Baroness Thatcher during a Ceremonial funeral with military honours at St Paul's Cathedral. Lady Thatcher, who died last week, was the first British female Prime Minister and served from 1979 to 1990. (Photo by Oli Scarff/Getty Images)

Baroness Thatcher's ceremonial funeral at St Paul's Cathedral cost the taxpayer an estimated £3.6 million, Downing Street said today.

The figure includes £2 million in "opportunity costs" for policing by officers who would have been on other duties on the day.

No 10 confirmed that Lady Thatcher's family would be making a contribution to the overall cost - including covering the costs of the undertakers and the flowers.

Ceremonial costs - including the service at St Paul's - the reception at the Mansion House and the printing and circulation of invitations came to around £500,000.

An estimated £1.1 million went on providing additional security and policing.

The final costs will published in due course, although the Prime Minister's spokesman said he expected they would be close to the estimated totals.

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