| Buildings destined mainly for dwellings, according to year of construction (grouped) by the building's facilities . 21-Huelva |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| Running water public supply | 96,33% | 95,64% | 94,17% | 96,77% | 95,00% | 96,48% | 96,10% | 96,88% | 96,88% | 96,85% | ||
| Running water private supply | 2,63% | 1,64% | 3,39% | 1,73% | 3,00% | 2,22% | 2,89% | 2,41% | 3,12% | 3,05% | ||
| Evacuation of residual waters (sewage) | 96,37% | 95,77% | 96,18% | 97,09% | 96,15% | 96,59% | 95,61% | 95,46% | 95,72% | 98,37% | ||
| Evacuation of residual waters (another type) | 1,86% | 0,77% | 0,89% | 0,78% | 1,30% | 1,56% | 2,47% | 2,71% | 2,98% | 1,53% | ||
| Porter service (only automatic) | 12,48% | 2,10% | 2,41% | 3,29% | 4,44% | 8,16% | 9,56% | 15,22% | 18,04% | 25,88% | ||
| Porter service (only person) | 0,11% | 0,01% | 0,04% | 0,06% | 0,21% | 0,08% | 0,21% | 0,11% | 0,09% | 0,13% | ||
| Porter service (both) | 0,16% | 0,05% | 0,00% | 0,02% | 0,09% | 0,06% | 0,15% | 0,15% | 0,09% | 0,47% | ||
| Has garage | 12,64% | 6,63% | 6,00% | 5,70% | 5,12% | 5,92% | 8,73% | 11,55% | 21,80% | 24,29% | ||
| Has gas | 11,01% | 8,59% | 7,61% | 9,51% | 11,26% | 14,74% | 13,50% | 9,52% | 10,12% | 12,28% | ||
| Has telephone | 69,99% | 52,83% | 55,87% | 62,61% | 64,98% | 69,29% | 74,69% | 76,99% | 77,30% | 74,20% | ||
| Has central hot water | 55,09% | 37,37% | 38,05% | 47,63% | 48,14% | 48,29% | 60,57% | 64,74% | 59,83% | 64,34% | ||
| TOTAL | . | . | 129449 | 13132 | 7936 | 8627 | 7925 | 14567 | 14441 | 22005 | 18289 | 22527 |