Steven Clark, 50, of Bravington Road, Kilburn, west London, is alleged to have killed Ursula Uhlemann.

Police were called at around 4.15am to a property in Fourth Avenue, Queens Park, west London, on 20 March.

Paramedics were already at the scene where Ms Uhlemann was pronounced dead.

A post-mortem examination gave provisional cause of death as compression to the neck, the Metropolitan Police said.

Clark appeared at the Old Bailey in central London on Tuesday.

Read more from Sky News:
Bridge collapses after being hit by ship
Julian Assange's extradition to US delayed
'We're all going to de tonight' - woman reveals hostage ordeal

Judge Richard Marks KC said: "It is an alleged domestic killing by the defendant of his partner".

Clark was remanded in custody and the judge adjourned the case until a plea hearing on 5 June.