Table 7 Building work started. Average utility floor space per dwelling unit, in different types of building and county. m. 1983-2010

7 Building work started. Average utility floor space per dwelling unit, in different types of building and county. m². ¹ 1983-2010
	Total	In buildings with at least 50 per cent utility floor space to dwellings							In buildings with less than 50 per cent utility floor space to dwellings

	Total	Detached houses	Semi-detached houses	Row houses and terraced houses	Houses with 2-4 dwelling units	Multi-dwelling houses 3 storeys and over	Other multi-dwelling houses	Extensions

1983	159	199	131	109	114	89	85	120	85
1984	169	204	133	115	121	90	78	116	79
1985	171	210	141	112	124	77	70	120	84
1986	175	213	136	118	125	89	82	113	89
1987	164	212	137	113	123	90	82	111	95
1988	146	205	132	98	116	79	70	104	82
1989	127	190	114	82	102	72	67	96	79
1990	119	185	110	83	93	70	67	95	74
1991	112	172	98	79	91	67	71	94	69
1992	113	162	109	85	93	75	69	89	71
1993	118	165	110	88	98	70	79	93	58
1994	125	171	115	98	106	77	77	89	69
1995	125	175	118	100	106	81	83	93	81
1996	130	179	113	105	110	83	88	89	81
1997	131	178	120	104	111	84	91	84	78
1998	128	181	118	106	111	86	78	93	84
1999	124	181	116	113	111	92	76	83	74
2000	124	..	..	..	..	..	..	..	..
2001	118	..	..	..	..	..	..	..	..
2002	115	..	..	..	..	..	..	..	..
2003	109	..	..	..	..	..	..	..	..
2004	100	..	..	..	..	..	..	..	..
2005	104	..	..	..	..	..	..	..	..
2006	103	..	..	..	..	..	..	..	..
2007	107	..	..	..	..	..	..	..	..
2008²	115	..	..	..	..	..	..	..	..
2009²	126	..	..	..	..	..	..	..	..
2010	124	..	..	..	..	..	..	..	..

¹	Statistics Norway has changed its building classification standard. The new standard was introduced in 2000 in building statistics. Consequently, figures for utility floor space broken down by type of building cannot be compared with previous years.
²	The figures have been revised 4 March 2011.