Rustic land in Spain, municipality by municipality › Barcelona
Sant Boi de Llobregat
Barcelona · Catalonia · 22 km²
What rustic land in Sant Boi de Llobregat 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.
Check a plot in Sant Boi de Llobregat →
Can you build a house on rustic land?
Catalonia allows no new houses on rustic land. Restoring an existing or listed building is the way.
DL 1/2010, art. 47. A town plan can be stricter.
Plan in force: Plan General (a full town plan), from 1976. 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 3 wells and boreholes in Sant Boi de Llobregat. Half of the 3 with a depth found water at 36–100 m.
Ground: 56% porous aquifer, high productivity; 23% porous aquifer, medium productivity; 21% practically impermeable.
Choosing where to drill takes a hydrogeologist.
What to watch for
- No mapped fire since 2016.
- 27% of the municipality lies in the 100-year flood zone; 42% in the 500-year one.
- 5.1% of the municipality is preferential flow zone, where new building is generally banned.
- 21% of the municipality is Natura 2000: new works need the region's consent.
- 21% of the municipality is a protected natural area, whose plan limits what can be done.
- Radon zone I: new and restored homes need radon protection by law.
Living here
- 4G reaches 100% of homes; fibre 99%. Averages for the municipality.
- Rain: 354 mm a year (1971–2000), about 298 by 2041–2070.
- Summer highs: 28.6 °C, about 31.5 °C by 2041–2070.
- Frost days: 3 a year, about 1 by 2041–2070.
Around it
Viladecans · Cornellà de Llobregat · Sant Joan Despí · El Prat de Llobregat · Sant Climent de Llobregat · Santa Coloma de Cervelló
Check a plot in Sant Boi de Llobregat →
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.