The Court of Appeal concluded in late November that Danny Nightingale's sentence was too harsh. Three appeal judges cut the term to 12 months, said it should be suspended, and ordered Sgt Nightingale's release.
Lawyers representing Sergeant Nightingale, 38, are today scheduled to try to quash the conviction at another Court of Appeal hearing in London.
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Bitter with temperatures barely above freezing.
A 14-year-old girl was declared dead at the property before an eight-year-old boy and seven-year-old girl died in hospital.
TV presenter Keith Chegwin has died aged 60 following a "long-term battle with a progressive lung condition", his family said.