VALUE OF WORK COMMENCED VOLUME TERMS
TREND AND SEASONALLY ADJUSTED ESTIMATES
 | Sep qtr 08 | Jun qtr 08 to Sep qtr 08 | Sep qtr 07 to Sep qtr 08 |  |
 | $m | % change | % change |  |
Trend(a) |  |
|  |
Value of work commenced | 18 036.2 | -5.1 | -1.4 |  |
New residential building | 8 781.0 | -5.1 | -3.1 |  |
Alterations and additions to residential building | 1 505.8 | -3.1 | -6.6 |  |
Non-residential building | 7 792.9 | -5.0 | 2.2 |  |
Seasonally Adjusted(a) |  |
|  |
Value of work commenced | 17 004.8 | -14.2 | -7.2 |  |
New residential building | 8 340.3 | -13.0 | -9.0 |  |
Alterations and additions to residential building | 1 525.7 | -0.3 | -3.1 |  |
Non-residential building | 7 138.9 | -18.1 | -5.9 |  |
|  |
(a) Chain volume measures, reference year 2006-07. |
TREND
- The trend estimate of the total value of building work commenced fell 5.1% in the September quarter 2008.
- The value of new residential building commenced fell 5.1%. New house commencements fell 5.3% and new other residential commencements fell 4.3%. The value of commencements for alterations and additions to residential buildings fell 3.1%. The value of non-residential building fell by 5.0%.
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 September quarter fell 14.2% following a rise of 1.2% in June.
- Commencements of new residential buildings fell 13.0%, to $8,340.3m. New house commencements fell 11.6%, to $5,706.2m, while new other residential building fell 15.8%, to $2,634.1m. Alterations and additions fell 0.3%, to $1,525.7m. Non-residential work commenced fell 18.1%, to $7,138.9m.