Survey on Households and the Environment 
Classification by characteristics of the dwelling
Percentage of dwellings, by size of the dwelling (no. of persons occupying it) and available heating system
Units: % over the total number of dwellings

,Availability of heating,Electrical heating: Total,Electrical heating: Individual electrical furnace,Electrical heating: Electrical radiators and accumulators,Electrical heating: Underfloor heating,Gas heating: Total,Central gas heating,Individual gas heating,Non-channelled gas heating,Central diesel heating : Total,Central diesel heating,Individual diesel heating,Other heating systems: Total,Other heating systems: Heat pump: Total,Heat pump: Channelled,Heat pump: Non-channelled,Other heating systems: Coal central heating,Other heating systems,
TOTAL,70.3,18.6,4.6,14.0,0.7,32.3,6.6,23.4,2.5,11.7,7.0,4.8,12.8,6.3,2.3,4.0,0.5,2.8,
1-person dwelling,63.0,17.9,4.2,13.6,0.9,29.9,6.1,20.6,3.4,8.9,4.9,4.1,10.5,4.3,1.4,2.9,0.5,1.9,
2-person dwelling,70.6,19.2,4.7,14.5,0.7,32.3,6.4,23.4,2.7,11.7,6.8,5.0,12.5,6.3,2.5,3.8,0.5,2.7,
3-person dwelling,71.2,18.9,4.8,14.3,0.7,32.9,6.6,24.2,2.3,11.6,7.2,4.5,13.0,6.6,2.6,4.1,0.6,3.2,
Dwelling with 4 or more persons,73.6,18.4,4.6,13.7,0.7,33.4,7.2,24.6,2.0,13.5,8.3,5.3,14.4,7.3,2.4,4.9,0.5,3.0,
Notes:
Source: National Statistics Institute