Site of Special Scientific Interest

Porton Down SSSI

SSSIs are legally protected sites that represent the best examples of UK wildlife habitats, geological features, and landforms.

About this SSSI

This chalk grassland SSSI supports one of Europe's richest habitats for wildflowers and butterflies.

  • Orchids and rare wildflowers
  • Chalk-loving butterflies
  • Traditional sheep grazing
  • Archaeological features
View Porton Down SSSI on Interactive Map

What makes Sites of Special Scientific Interest special?

Planning Considerations

Development likely to have an adverse effect on an SSSI should not normally be permitted. Where development is permitted, conditions or obligations to minimise harm and provide compensation are required.

Location Details

Designation
Site of Special Scientific Interest
Coordinates
51.1309, -1.6674
Reference
1003140

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