Other famous ghosts of London
Broadcasting House, in London's Regent Street, is home to the BBC - and the ghost of a limping butler.
Hampton Court has an embarrassment of spooks - up to 25 according to some estimates, including two of Henry VIII's wives, Jane Seymour and Catherine Howard, whose screams are still heard.
St Thomas's Hospital in London is haunted by the ghost of Florence Nightingale.
The Tower of London is inhabited by several headless apparitions, including Anne Boleyn and Lady Jane Grey.
The Lyric Theatre in Shaftsbury Avenue, London, is haunted by the ghost of murdered programme seller Nellie Klute.
The ghost of a bear is said to haunt Cheyne Walk in Chelsea.
Vine Street Police Station in London's West End is haunted by one Sergeant Goddard who hanged himself in a cell.
Wimbledon Theatre in London has two ghosts, one of whom has been seen walking through a closed door in the fly-tower.
The Black Museum at Scotland Yard is haunted by the ghost of a nun who has no face beneath her veil.
A ghostly horse-bus is said to drive down the Bayswater Road by London's Hyde Park.
An 18th century dandy haunts The Theatre Royal in Drury Lane as does the ghost of the famous clown Grimaldi.
John Buckstone the actor/manager still frequents London's Haymarket Theatre, even though he died in 1878.
Westminster Abbey has several ghosts including that of the Unknown Warrior.
London's Adelphi Theatre is haunted by the ghost of actor William Terriss, who was murdered outside the stage door in 1897.