"Misplaced Childhood" was released in the United Kingdom on 17 June 1985 by EMI Records on LP, 12" picture disc and cassette and went on to be the band's biggest selling album. It topped the UK Albums Chart, becoming the first and the only Marillion album to do so. It stayed on the charts for 41 weeks, the longest chart residency of any of the band's albums. "Misplaced Childhood" was certified Platinum by the BPI for sales in excess of 300.000 copies on 26 November 1985 just 5 months after the release. It was the 20th best selling album in the United Kingdom for 1985.