| 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 . 40-Segovia |
| TOTAL | Before 1900 | 1900-1920 | 1921-1940 | 1941-1950 | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2001 | |||
| TOTAL | 49695 | 2554 | 1877 | 2272 | 2762 | 5484 | 6661 | 10429 | 8428 | 9228 | ||
| 21,17% | 10,18% | 9,48% | 8,85% | 10,03% | 17,98% | 22,16% | 28,75% | 25,74% | 21,40% | |||
| Gas | ||||||||||||
| Electricity | 12,96% | 19,30% | 19,77% | 18,93% | 19,73% | 20,39% | 16,75% | 8,64% | 9,66% | 7,05% | ||
| Petroleum or derivatives | 47,83% | 35,36% | 38,15% | 38,82% | 38,09% | 39,15% | 43,60% | 47,61% | 49,80% | 65,05% | ||
| Wood | 15,68% | 33,12% | 30,85% | 31,60% | 29,33% | 19,84% | 13,38% | 11,75% | 13,32% | 5,57% | ||
| Coal or derivatives | 1,36% | 1,41% | 1,33% | 1,10% | 2,03% | 2,02% | 3,30% | 0,96% | 0,72% | 0,44% | ||
| Others | 1,00% | 0,63% | 0,43% | 0,70% | 0,80% | 0,62% | 0,81% | 2,30% | 0,76% | 0,48% | ||