| Buildings destined mainly for dwellings, according to year of construction (grouped) by the building's facilities |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| Running water public supply | 92,43% | 86,76% | 90,33% | 91,66% | 92,70% | 94,08% | 94,14% | 92,22% | 92,68% | 94,49% | ||
| Running water private supply | 6,47% | 9,62% | 7,01% | 6,39% | 5,62% | 4,78% | 5,03% | 7,00% | 7,32% | 5,42% | ||
| Evacuation of residual waters (sewage) | 86,57% | 78,63% | 84,07% | 86,07% | 87,33% | 89,43% | 89,15% | 84,84% | 86,13% | 90,75% | ||
| Evacuation of residual waters (another type) | 10,87% | 14,93% | 11,29% | 10,20% | 9,23% | 7,99% | 8,78% | 13,02% | 12,08% | 9,00% | ||
| Porter service (only automatic) | 27,68% | 10,85% | 12,78% | 15,47% | 16,57% | 21,88% | 28,99% | 30,73% | 33,13% | 45,54% | ||
| Porter service (only person) | 0,21% | 0,15% | 0,15% | 0,19% | 0,20% | 0,21% | 0,23% | 0,26% | 0,26% | 0,19% | ||
| Porter service (both) | 0,90% | 0,29% | 0,46% | 0,61% | 0,61% | 0,69% | 1,14% | 1,24% | 0,91% | 1,23% | ||
| Has garage | 27,25% | 13,01% | 11,70% | 12,64% | 13,07% | 14,34% | 18,78% | 26,15% | 44,84% | 50,41% | ||
| Has gas | 25,10% | 15,80% | 17,60% | 20,68% | 21,65% | 25,40% | 27,38% | 26,15% | 25,32% | 32,86% | ||
| Has telephone | 81,78% | 68,55% | 70,65% | 75,56% | 76,80% | 81,67% | 86,27% | 85,70% | 85,97% | 86,07% | ||
| Has central hot water | 51,79% | 49,50% | 48,20% | 48,64% | 48,60% | 47,97% | 48,05% | 52,41% | 56,05% | 57,17% | ||
| TOTAL | . | . | 8623875 | 901299 | 426872 | 497039 | 539425 | 886544 | 1090319 | 1504984 | 1360191 | 1417202 |