Boris Johnson’s estranged wife has been given the go-ahead to apply for a divorce after a family court judge imposed an exceptional reporting restriction on the case.

The prime minister and Marina Wheeler have reached a financial settlement two years after their split, a court was told yesterday.

No details of the agreement emerged from the ten-minute hearing in London. Although it is usual for such information to be kept secret, the judge imposed a further restriction forbidding the publication of other details.

Speculation over the prime minister’s finances has been fuelled by a dispute over his winter holiday to Mustique, for which he did not pay the £15,000 accommodation cost.

Financial analysts estimate that Mr Johnson is worth about £3.1 million. Before becoming