dataset · England

Sites of Special Scientific Interest (time series)

Time series data for Sites of Special Scientific Interest. A Site of Special Scientific Interest (SSSI) is the land notified as an SSSI under the Wildlife and Countryside Act (1981), as amended. Sites notified under the 1949 Act only are not included in the Data set. SSSI are the finest sites for wildlife and natural features in England, supporting many characteristic, rare and endangered species, habitats and natural features. The data do not include "proposed" sites. Boundaries are generally m

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Source details

Licence: UK Open Government Licence (OGL)

Evidence quality: 49.2

Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

What's in it

Data offered docs-verified: Sites of Special Scientific Interest (SSSI) time series data
Coverage docs-verified: England
Update frequency docs-verified: notPlanned (no scheduled updates, per metadata)
Access docs-verified: Open: UK Open Government Licence (OGL); no public access constraints

Useful for

Use cases llm-inferred: Constraints screening: identify SSSI designations overlapping a site red-line boundary for planning and ecology appraisals · Ecological baseline context for habitat and biodiversity assessments in England · GIS overlay of SSSI boundaries against drainage, flood or civils design areas to flag statutory nature constraints
Audience llm-inferred: ecologists · planners · GIS analysts · environmental consultants

Limitations

Constraints docs-verified: Sites notified under the 1949 Act only are excluded · Proposed sites are excluded · Update frequency is notPlanned

Evidence

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.