An eight classroom building was approved for Kolbe Special School earlier this year.
The government is refusing to be drawn on a start date for works at Kolbe Special School in Portlaoise.
An eight classroom building was approved for planning and construction earlier this year.
Members of Laois County Council requested a definitive timeframe from Education Minister Norma Foley in April.
But speaking on the Midlands Today Show, Minister of State with responsibility for Special Education, Josepha Madigan was non-committal: