VALUE OF WORK COMMENCED VOLUME TERMS
TREND AND SEASONALLY ADJUSTED ESTIMATES
 | Dec qtr 07 | Sep qtr 07 to
Dec qtr 07 | Dec qtr 06 to
Dec qtr 07 |  |
 | $m | % change | % change |  |
Trend(a) |  |
|  |
Value of work commenced | 17 339.5 | 1.6 | 3.3 |  |
New residential building | 8 789.7 | 2.2 | 4.6 |  |
Alterations and additions to residential building | 1 634.5 | 4.3 | 6.8 |  |
Non-residential building | 6 917.1 | 0.3 | 0.9 |  |
Seasonally Adjusted(a) |  |
|  |
Value of work commenced | 17 346.8 | 0.8 | 2.4 |  |
New residential building | 8 797.8 | 1.6 | 1.5 |  |
Alterations and additions to residential building | 1 662.0 | 6.9 | 9.0 |  |
Non-residential building | 6 887.0 | -1.6 | 1.9 |  |
|  |
(a) Chain volume measures, reference year 2005-06. |
TREND
- The December quarter trend estimate of the total value of building work commenced rose 1.6% from the revised September quarter estimate.
- The value of new residential building commenced rose 2.2%. New house commencements rose 2.8% and new other residential commencements rose 0.7%. The value of commencements for alterations and additions to residential buildings rose 4.3%. The value of non-residential building rose by 0.3%.
Value of Work Commenced in Volume Terms, Trend

SEASONALLY ADJUSTED
- In seasonally adjusted terms, the estimate of the total value of building work commenced in the December quarter rose 0.8% from the revised September quarter estimate.
- Commencements of new residential buildings rose 1.6%, to $8,797.8m. New house commencements rose 6.9%, to $6,395.9m, while new other residential building fell 10.1%, to $2,401.8m. Alterations and additions rose 6.9%, to $1,662.0m. Non-residential work commenced fell 1.6%, to $6,887.0m from the revised September quarter estimate.