In the last twelve months the BCI has increased by 21.7%.
| The Icelandic building cost index 2008-2009 | |||||||
| Month of application July 1987=100 | |||||||
| Reference month June 1987=100 | Annualized rates | ||||||
| Monthly changes | Latest month, % | Latest 3 months, % | Latest 6 months, % | Latest 12 months, % | |||
| 2008 | |||||||
| April | 403.1 | 416.5 | 3.3 | 48.1 | 42.8 | 22.2 | 12.5 |
| May | 416.5 | 424.7 | 2.0 | 26.4 | 46.5 | 26.4 | 14.7 |
| June | 424.7 | 427.9 | 0.8 | 9.4 | 27.0 | 28.2 | 15.4 |
| July | 427.9 | 440.9 | 3.0 | 43.2 | 25.6 | 33.9 | 18.5 |
| August | 440.9 | 441.3 | 0.1 | 1.1 | 16.6 | 30.7 | 17.6 |
| September | 441.3 | 447.7 | 1.5 | 18.9 | 19.8 | 23.4 | 18.8 |
| October | 447.7 | 463.8 | 3.6 | 52.8 | 22.5 | 24.0 | 23.1 |
| November | 463.8 | 478.8 | 3.2 | 46.5 | 38.6 | 27.1 | 26.8 |
| December | 478.8 | 489.6 | 2.3 | 30.7 | 43.0 | 30.9 | 29.6 |
| 2009 | |||||||
| January | 489.6 | 490.1 | 0.1 | 1.2 | 24.7 | 23.6 | 28.6 |
| February | 490.1 | 492.5 | 0.5 | 6.0 | 11.9 | 24.8 | 27.6 |
| March | 492.5 | 490.7 | -0.4 | -4.3 | 0.9 | 20.1 | 21.7 |
| April | 490.7 | . | . | . | . | . | . |
| Percentage changes, not seasonally adjusted. | |||||||