| Main dwellings in buildings destined mainly for dwellings with some type of heating method according to year of construction of the building (grouped) by fuel used . 08-Barcelona |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| TOTAL | 1601316 | 95835 | 68144 | 86505 | 74839 | 175530 | 364851 | 395868 | 132572 | 207172 | ||
| 62,01% | 56,88% | 62,27% | 62,65% | 62,64% | 62,40% | 60,58% | 61,49% | 59,20% | 68,81% | |||
| Gas | ||||||||||||
| Electricity | 28,03% | 28,08% | 30,28% | 30,38% | 28,94% | 30,39% | 32,80% | 29,68% | 19,08% | 18,12% | ||
| Petroleum or derivatives | 8,43% | 10,47% | 5,51% | 5,30% | 6,63% | 5,78% | 5,53% | 7,60% | 19,81% | 12,08% | ||
| Wood | 0,36% | 0,93% | 0,42% | 0,42% | 0,45% | 0,42% | 0,30% | 0,31% | 0,43% | 0,12% | ||
| Coal or derivatives | 0,94% | 3,32% | 1,28% | 1,06% | 1,09% | 0,77% | 0,57% | 0,70% | 1,23% | 0,67% | ||
| Others | 0,23% | 0,33% | 0,24% | 0,18% | 0,26% | 0,24% | 0,22% | 0,22% | 0,25% | 0,21% | ||