Rolf Harris is due back in court in March ahead of his trial over multiple alleged historic sex offences.

The Australian entertainer is required to return to London's Southwark Crown Court court on March 18 for a two-day legal argument hearing.

His trial is scheduled to begin on April 30.

Harris appeared in court earlier this month when he formally pleaded not guilty to 12 charges of indecent assault.

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The 83-year-old is accused of carrying out sex attacks against four alleged victims over an 18-year period between 1968 and 1986.

The artist, musician and television presenter is also charged with making four indecent images of a child in 2012 but he is yet to be arraigned on those charges.

- AAP