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DECEMBER KEY FIGURES

	Dec qtr 13	Sep qtr 13 to Dec qtr 13	Dec qtr 12 to Dec qtr 13
	$m	% change	% change
TREND ESTIMATES(a)
Value of work done	21 079.0	0.6	3.3
New residential building	10 494.9	-0.1	1.6
Alterations and additions to residential building	1 735.3	0.3	-0.6
Non-residential building	8 839.6	1.3	6.0
SEASONALLY ADJUSTED ESTIMATES(a)
Value of work done	20 954.6	-0.8	1.2
New residential building	10 448.9	-1.1	0.1
Alterations and additions to residential building	1 735.5	1.5	-2.3
Non-residential building	8 770.2	-0.9	3.3
(a) Reference year for chain volume measures is 2011-12.

Value of work done, Chain volume measures

Value of work done, Chain volume measures - Trend estimates

• The trend estimate of the value of total building work done rose 0.6% in the December 2013 quarter.
• The seasonally adjusted estimate of the value of total building work done fell 0.8% to $20,954.6m in the December quarter, following a rise of 1.6% in the September 2013 quarter.

• The trend estimate of the value of new residential building work done fell 0.1% in the December quarter. The value of work done on new houses fell 0.2% while new other residential building rose 0.1%.
• The seasonally adjusted estimate of the value of new residential building work done fell 1.1% to $10,448.9m in the December quarter. Work done on new houses rose 0.7% to $6,408.7m, while new other residential building fell 3.8% to $4,040.1m.

• The trend estimate of the value of non-residential building work done rose 1.3% in the December quarter.
• The seasonally adjusted estimate of the value of non-residential building work done fell 0.9% in the December quarter following a rise of 3.5% in the September 2013 quarter.

	Dec qtr 13	Sep qtr 13 to Dec qtr 13	Dec qtr 12 to Dec qtr 13
	no.	% change	% change
TREND ESTIMATES
Total dwelling units commenced	43 828	3.6	8.7
New private sector houses	24 358	2.2	7.6
New private sector other residential building	18 355	6.2	12.7
SEASONALLY ADJUSTED ESTIMATES
Total dwelling units commenced	44 729	8.2	9.4
New private sector houses	24 055	0.1	4.2
New private sector other residential building	19 587	22.4	20.6

Dwelling units commenced

Private dwellings commenced, Trend estimates

• The trend estimate for the total number of dwelling units commenced rose 3.6% in the December 2013 quarter following a rise of 2.6% in the September quarter.
• The seasonally adjusted estimate for the total number of dwelling units commenced rose 8.2% to 44,729 dwellings in the December quarter following a fall of 0.6% in the September quarter.

• The trend estimate for new private sector house commencements rose 2.2% in the December quarter following a rise of 2.3% in the September quarter.
• The seasonally adjusted estimate for new private sector house commencements rose 0.1% to 24,055 dwellings in the December quarter following a rise of 2.0% in the September quarter.

• The trend estimate for new private sector other residential building commencements rose 6.2% in the December quarter following a rise of 4.4% in the September quarter.
• The seasonally adjusted estimate for new private sector other residential building rose 22.4% to 19,587 dwellings in the December quarter following a fall of 5.2% in the September quarter.

• the total value of work done in Australia during September quarter 2013 has been revised upwards by $56.4m or 0.3%.
• the total value of work commenced in Australia during September quarter 2013 has been revised upwards by $739.7m or 3.4%. This was driven by revisions to non-residential commencements ($416.9m) and residential commencements ($322.8m).
• the number of dwelling unit commencements in the September quarter 2013 has been revised upwards by 737 dwellings or 1.7%.

• Construction Work Done, Australia, Preliminary (cat. no. 8755.0) - changes implemented from March 2014 (released on 28 May 2014) onwards.
• Building Activity, Australia (cat. no. 8752.0) - changes implemented from March 2014 (released on 16 July 2014) onwards.