23-21  Private Buildings with Consent to Commence Work by Type of Building
Year	Residential		Residential/Commercial			Commercial		Industrial		Others			Total
	Number	Usable Floor	Number	Usable Floor Area		Number	Usable Floor	Number	Usable Floor	Number	Usable Floor Area		Number	Usable Floor Area
	of Blocks	Area	of Blocks	(10 000 sq.m.)		of Blocks	Area	of Blocks	Area	of Blocks	(10 000 sq.m.)		of Blocks	(10 000 sq.m.)
	(number)	(10 000 sq.m.)①	(number)	Residential	Non-residential	(number)	(10 000 sq.m.)	(number)	(10 000 sq.m.)	(number)	Residential	Non-residential	(number)	Residential①	Non-residential
2002	604	58.7	36	17.0	5.8	22	30.7	17	10.7	125	3.3	10.9	804	79.0	58.2
2003
First submission	268	33.3	40	28.2	4.6	13	14.6	1	0.1	227	2.0	31.7	549	63.5	50.9
Major revision	130	25.6	14	6.7	0.8	0	0.0	1	0.1	12	8.0	12.7	157	40.3	13.6
2004
First submission	247	18.0	14	13.6	3.2	7	12.3	3	1.0	146	0.6	36.7	417	32.1*	53.2
Major revision	56	7.9	6	5.7	0.1	3	0.5	2	0.7	10	7.3	4.0	77	20.9	5.3
2005
First submission	216	11.7	22	19.5	3.4	15	29.4	7	2.3	96	0.1	24.1	356	31.3	59.2
Major revision	429	11.3	14	10.0	2.5	6	13.0	1	1.2	13	2.5	16.7	463	23.8	33.3
2006
First submission	359	9.2	28	23.4	2.1	11	16.6	3	1.1	79	4.6	16.8	480	37.2	36.5
Major revision	99	12.0	36	21.2	2.6*	9	25.5	1	1.3	19	0.2	3.2	164	33.4	32.6
2007
First submission	168	45.3	18	13.1	3.1	11	15.4	8	9.1	108	0.4	12.6	313	58.8	40.3
Major revision	805	16.7	21	14.6	4.7	12	9.5	3	1.2	12	0#	8.1	853	31.2	23.6
2008
First submission	146	27.1	25	12.1	2.2	9	10.4	5	10.7	88	0.4	12.7	273	39.6	35.9
Major revision	80	5.5	11	7.9	2.2					20	0.0	8.6	111	13.4	10.8
Notes : Separate figures for“First submission”and“Major revision”were not available for 2002.
①Including usable floor area in residential buildings for non-domestic use, such as club house/recreational facilities, caretakers’office/quarters transformer room, etc.