The building cost index compiled in the middle of September 2019 is 146.3 points (December 2009=100), unchanged from the previous month. In the last twelve months the building cost index has increased by 4.4%. The index applies to October 2019.
| The Icelandic building cost index 2018–2019 | |||||||
| Month of application January 2010=100 | Reference month December 2009=100 | Monthly changes % | Annualized rates % | ||||
| Latest month | Latest 3 months | Latest 6 months | Latest 12 months | ||||
| 2018 | |||||||
| September | 139.9 | 140.2 | 0.2 | 2.5 | 2.8 | 4.7 | 3.8 |
| October | 140.2 | 141.0 | 0.6 | 6.9 | 3.1 | 5.3 | 3.8 |
| November | 141.0 | 141.6 | 0.5 | 5.9 | 5.1 | 3.7 | 4.0 |
| December | 141.6 | 142.1 | 0.3 | 4.1 | 5.6 | 4.2 | 4.1 |
| 2019 | |||||||
| January | 142.1 | 142.1 | 0.0 | -0.4 | 3.2 | 3.1 | 3.7 |
| February | 142.1 | 142.4 | 0.2 | 3.0 | 2.2 | 3.6 | 4.0 |
| March | 142.4 | 142.4 | 0.0 | -0.2 | 0.8 | 3.2 | 3.9 |
| April | 142.4 | 142.7 | 0.2 | 2.4 | 1.7 | 2.4 | 3.9 |
| May | 142.7 | 145.8 | 2.2 | 29.7 | 9.9 | 6.0 | 4.8 |
| June | 145.8 | 146.1 | 0.2 | 2.3 | 10.8 | 5.7 | 4.9 |
| July | 146.1 | 146.4 | 0.2 | 2.4 | 10.7 | 6.1 | 4.6 |
| August | 146.4 | 146.3 | -0.1 | -0.7 | 1.3 | 5.5 | 4.6 |
| September | 146.3 | 146.3 | 0.0 | 0.5 | 0.7 | 5.6 | 4.4 |
| October | 146.3 | . | . | . | . | . | . |