BORIS Johnson has sought to end a spat among senior Tory ministers over access to a grace and favour country mansion.

Liz Truss and Dominic Raab have been locked in a battle for access to Chevening, a 115-room Kent country house, since the Cabinet reshuffle last month.

Truss sought to stake her claim to the property – which is traditionally reserved for foreign secretaries – when she replaced Raab in the role.

However Raab fought a rear-guard action to keep it after being made Deputy Prime Minister as well as the more junior position of Justice Secretary.

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In the end, Johnson – as first reported by The Times – decided that, rather than risk upsetting one or other of his colleagues, they should share it.

He cited the precedent of the last time there was a deputy prime minister – Sir Nick Clegg – who shared it with then foreign secretary Lord Hague of Richmond and later his successor Lord Hammond of Runnymede.

A Government spokesman said: “The Deputy Prime Minister and Foreign Secretary will share access to Chevening as has happened in previous administrations.”

The ruling by Johnson – who has been holidaying in Spain – came after Truss provocatively posted a picture online of herself meeting the foreign ministers of Latvia, Lithuania and Estonia at the Grade I-listed building.

Under the terms of the Chevening Estate Act 1959, the house – which is privately owned by a board of trustees – is occupied by someone nominated by the Prime Minister.