Rustic land in Spain, municipality by municipality › Huesca
Grañén
Huesca · Aragón · 124 km²
What rustic land in Grañén allows and holds, for the municipality as a whole. For a particular plot, open it in the map: the report answers for that exact point.
Can you build a house on rustic land?
Aragón requires at least 1 ha for a new house on rustic land.
DL 1/2014, art. 34.2. A town plan can be stricter.
Plan in force: Plan General (a full town plan), from 2003. The region's planning viewer ↗
The national urban information system (SIU) maps the land class for 100% of the municipality.
Only the town hall can confirm it, in writing: ask for a certificado urbanístico.
Is there water?
IGME records 2 wells and boreholes in Grañén. 7 springs are recorded.
Ground: 49% low permeability, local groundwater only; 24% porous aquifer, high productivity; 14% practically impermeable; 13% porous aquifer, medium productivity.
Choosing where to drill takes a hydrogeologist.
What to watch for
- No mapped fire since 2016.
- No mapped flood zone (only studied rivers are mapped).
- 4.2% of the municipality is Natura 2000: new works need the region's consent.
- Radon zone I: new and restored homes need radon protection by law.
Living here
- 4G reaches 98% of homes; fibre 77%. Averages for the municipality.
- Rain: 299 mm a year (1971–2000), about 263 by 2041–2070.
- Summer highs: 30.6 °C, about 34.6 °C by 2041–2070.
- Frost days: 42 a year, about 22 by 2041–2070.
Around it
Tramaced · Almuniente · Poleñino · Piracés · Barbués · Albero Bajo · Sesa · Robres
From IGME, MITECO, SNCZI, EFFIS, the SIU, the Building Code, NCSE-02, SETID and AdapteCCa; summarised 9 October 2026. Information, not a certificate: the town hall has the final word.