With effect from 1st February 2009 the fines levied by Companies House for late filing of accounts by private limited companies have been increased to the following:

Not more than 1 month late - £150
Between 1 and 3 months late - £375
Between 3 and 6 months late - £750

More than 6 months - £750 For public companies (plc's) the fines are much higher, ranging from £750 to £7,500 for the same time periods as above.