The new cat will follow in the footsteps of previous resident Humphrey A new resident is to move into No 10 with David Cameron set to welcome a cat into his official residence.
The four-year old tabby cat, believed to be called Larry, is to join the prime minister and his family from the Battersea Dogs and Cats Home.
The arrival, due on Tuesday, follows weeks of speculation about potential pest control measures after a rat was seen outside No 10.
Humphrey was the last cat to occupy No 10, from 1989 to 1997.
He was adopted after wandering into the building as a stray while Margaret Thatcher was prime minister, and remained throughout the administration of John Major.
He moved out six months after Labour’s 1997 general election win, with Tony Blair’s wife Cherie denying reports that her dislike for the animal was to blame.
Humphrey died in March 2006 at the home of a civil servant who cared for him during his “retirement”.
The last feline to live in Downing Street was former Chancellor Alistair Darling’s cat Sybil.
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