• Data reference period
• Geographic location (NUTS - 2013)
• Typology

• REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
• DWELLING:  Separate and independent place which, by the way it was built, rebuilt, enlarged, transformed or is being used, is intended for housing with the condition that it is not being used for other purposes at the time of reference: by separate it is meant that it is surrounded by conventional walls or other type, is covered and allows a person or group of persons to sleep, prepare meals or shelter from the weather separately from other members of the community; by independent it is meant that its occupants do not have to cross other accommodations to enter or leave the accommodation where they live.
• HOUSEHOLD DWELLING :  Dwelling that is normally intended to accommodate only one family, on the condition that it is not being used for other purposes at the period of reference.

Mediem value per m2 of dewellings sales for de reference period