One flat has been vacant since 27 June 2007 and the other since 30 June 2006. Along with other shared costs, utility costs are calculated on the basis of a share of those for Admiralty House as a whole and are not held separately for individual flats. For the flat vacated in 2007 council tax to end March 2009 is £1,700 and for the other flat the cost is £3,153.