Building Footprints for Saint Helena, Ascension and Tristan da Cunha from OpenStreetMap

Saint Helena, Ascension and Tristan da Cunha building footprints are exported from OpenStreetMap. The data includes every feature tagged as a building, such as residential homes, hospitals, schools, and places of worship. It was last updated on 2026-05-14 by the Humanitarian OpenStreetMap Team (HOT).

Use Cases

• Population estimation based on building density and types.
• Damage assessment for disaster response using building location data.
• Urban planning and infrastructure development analysis.
• Mapping the distribution of public facilities like schools and hospitals.

Strengths

• Includes all OpenStreetMap features tagged as a building (`building=*`).
• Covers a specific geographic region (Saint Helena, Ascension and Tristan da Cunha).
• Available in multiple geospatial formats (GEOPACKAGE, SHP, JSON).

Limitations

• Completeness varies by region; remote areas may be incompletely mapped.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

OpenStreetMap

Collection Method

Volunteer-contributed mapping via the OpenStreetMap project.

Freshness

Last updated 2026-05-14 23:42:47.101470; freshness should be verified.

Geography

Saint Helena, Ascension and Tristan da Cunha