Total returns on the IPD UK Monthly Index fell by 3.7% month on month in December 2007, while capital values fell 4.2% month on month, according to figures released by IPD. The property database said that 'the figures represent a continuation of the steepening falls seen over the past few months in UK commercial property.' The 3.7% drop in the IPD UK Monthly Index return comes after a 3.6% month-on-month fall in November, and represents the biggest monthly fall seen since the index began in December 1986.