Rustic land in Spain, municipality by municipality › Gipuzkoa
Hernialde
Gipuzkoa · Basque Country · 4.2 km²
What rustic land in Hernialde 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?
The Basque Country allows a new house on rustic land only when a farm needs it. Otherwise it has to go in a village, or restore a building.
Ley 2/2006, art. 28. A town plan can be stricter.
Plan in force: Plan General (a full town plan), from 2015. 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 one well or borehole in Hernialde. Its depth: 117 m.
Ground: 59% low permeability, local groundwater only; 39% karstic or fissured aquifer, high productivity.
Choosing where to drill takes a hydrogeologist.
What to watch for
- No mapped fire since 2016.
- 0.5% of the municipality lies in the 100-year flood zone; 0.5% in the 500-year one.
- 0.5% of the municipality is preferential flow zone, where new building is generally banned.
- 35% 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 96% of homes; fibre 44%. Averages for the municipality.
- Rain: 1,517 mm a year (1971–2000), about 1,292 by 2041–2070.
- Summer highs: 22.6 °C, about 25.1 °C by 2041–2070.
- Frost days: 21 a year, about 9 by 2041–2070.
Around it
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.