What is the official function of the building?

The property serves as the official residence and office of the prime minister of the United Kingdom.

Where is the property situated?

The site stands on Downing Street off Whitehall in the City of Westminster, within walking distance of parliament.

Who designed the original houses on the street?

Christopher Wren designed the town houses under commission from Sir George Downing.

What earlier properties were combined to form the residence?

The location originally incorporated a cottage, a town house, and a park-facing mansion called the House at the Back.

Can pedestrians walk through Downing Street into St James's Park?

The street terminates as a cul-de-sac that blocks access into St James's Park.

Which historical residents occupied the House at the Back?

Historical occupants included Whitehall Palace Keeper Thomas Knyvet and Princess Elizabeth.

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10 Downing Street: ce qu’il y a autour, comment y aller et quand venir · 2026

Westminster residents trade quiet side streets for permanent security checkpoints and unannounced police cordons around Whitehall.

10 Downing Street · CC BY-SA 4.0

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Downing Street operates as the administrative core of British executive power behind heavy security barriers off Whitehall.

The complex combines separate historic properties: a mansion overlooking St James's Park known as the House at the Back, an adjoining town house, and a cottage. The site functions as the working executive office and official home of the British prime minister. Sir George Downing hired Christopher Wren to design the cul-de-sac, though contractors erected the terraces rapidly on soft ground with shallow foundations.

Before housing the modern government, the grounds formed part of the Cockpit Lodgings beside Whitehall Palace. Thomas Knyvet lived on this ground after arresting Guy Fawkes and halting the gunpowder treason. Early cabinet assemblies gathered secretly in converted theatrical rooms on the site. Today the sealed cul-de-sac prevents pedestrian passage into St James's Park, leaving the secure lane accessible only to authorized staff.

Associations

Prime MinisterOfficial executive office and residential flat in Westminster.
Sir George DowningThe developer and former crown spy gave the street its name.
Christopher WrenThe renowned architect designed the original townhouses.
Security cordonsGated perimeters and police checkpoints bar general public access.
Shallow foundationsCheap construction over soft soil prompted frequent maintenance.

Faits

The property operates as the prime minister's executive office under the ministerial title of First Lord of the Treasury.
Christopher Wren designed the original terraced townhouses commissioned by Sir George Downing.
Thomas Knyvet lived on this ground after arresting Guy Fawkes during the gunpowder plot.
The accumulated estate of Sir George Downing later endowed Downing College in Cambridge.

Mis à jour le 9 septembre 2026Source : Wikipedia

10 Downing Street: ce qu’il y a autour, comment y aller et quand venir · 2026

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Downing Street operates as the administrative core of British executive power behind heavy security barriers off Whitehall.

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