The Parole Board has said it may have to deal with three times as many hearings next year, following a court ruling on fairness for prisoners.
Following a ruling by the Supreme Court in October prisoners are entitled to oral hearings even if they are unlikely to be released or transferred.
This means the number of hearings could increase from 4,500 to 14,000, according to the Parole Board for England and Wales' annual report.
More top news
Not as cold as recent nights - any frost will be confined to parts of Scotland and East Anglia where temperatures will dip below freezing.
A police chief constable has defended his force's handling of child sex allegations against former prime minister Sir Edward Heath.
John Cleese has paid tribute to his "wonderful" Fawlty Towers co-star, Andrew Sachs, following his death at the age of 86.