VALUE OF WORK COMMENCED VOLUME TERMS
TREND AND SEASONALLY ADJUSTED ESTIMATES
 | Mar qtr 07 | Dec qtr 06
to Mar qtr 07 | Mar qtr 06
to Mar qtr 07 |  |
 | $m | % change | % change |  |
Trend(a) |  |
|  |
Value of work commenced | 16 003.1 | -0.1 | 9.2 |  |
New residential building | 8 066.0 | 1.0 | 5.3 |  |
Alterations and additions to residential building | 1 424.7 | -3.9 | -1.9 |  |
Non-residential building | 6 519.5 | -0.7 | 17.5 |  |
Seasonally Adjusted(a) |  |
|  |
Value of work commenced | 15 984.0 | -0.4 | 13.2 |  |
New residential building | 7 998.0 | -1.5 | 0.1 |  |
Alterations and additions to residential building | 1 367.8 | -8.0 | -7.0 |  |
Non-residential building | 6 618.2 | 2.6 | 42.0 |  |
|  |
(a) Chain volume measures, reference year 2004-05. |
TREND
- The March quarter trend estimate of the total value of building work commenced fell 0.1% from the revised December quarter estimate.
- The value of new residential building commenced rose 1.0%. New house commencements rose 1.0% and new other residential commencements rose 1.1%. The value of commencements for alterations and additions to residential buildings fell 3.9%. The value of non-residential building fell by 0.7%
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 March quarter fell 0.4% from the revised December quarter estimate.
- Commencements of new residential buildings fell 1.5%, to $7,998.0m. New house commencements rose 1.2%, to $5,692.4m, while new other residential building fell 7.6%, to $2,305.5m. Alterations and additions fell 8.0%, to $1,367.8m. Non-residential work commenced rose 2.6%, to $6,618.2m.