[] 1 house
[] 2 apartment
[] 3 room

1 - House - A Private Household located in a building, with direct access to a thoroughfare (street, court, lane, avenue, road, etc.), legalized or no not, regardless of the material used in its construction. Buildings with one or more floors or levels which are fully occupied by a single household should be considered as houses;
2 - Apartment - An apartment is a Private Household located in a building of one or more floors containing more than one household and having common spaces (entrance hall, stairways, corridors, entrance gate and other areas). A household/dwelling that is located in a building with two or more floors with a single household/dwelling and other non-residential units is also considered an apartment. Private Households located in buildings of two or more floor or levels with independent entrances to the floors should also be considered apartments.
3 - Room - A Room is a Private Household consisting of one or more rooms and located in a house occupied by the room, inner-city slums, etc.