Research and analysis
D2b: Condition of Sites of Special Scientific Interest in England, 2016 to 2025
Updated 14 April 2026
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| year | methodology | condition | percentage |
|---|---|---|---|
| 2016 | Unit assessment | Favourable condition | 38.5 |
| 2017 | Unit assessment | Favourable condition | 38.67 |
| 2018 | Unit assessment | Favourable condition | 38.71 |
| 2019 | Unit assessment | Favourable condition | 38.89 |
| 2020 | Unit assessment | Favourable condition | 38.74 |
| 2021 | Unit assessment | Favourable condition | 38.28 |
| 2022 | Unit assessment | Favourable condition | 38.23 |
| 2023 | Unit assessment | Favourable condition | 36.85 |
| 2024 | Whole feature assessment | Favourable condition | 40.02 |
| 2024 | Unit assessment | Favourable condition | 35.47 |
| 2025 | Whole feature assessment | Favourable condition | 40.98 |
| 2016 | Unit assessment | Unfavourable recovering condition | 57.27 |
| 2017 | Unit assessment | Unfavourable recovering condition | 56.03 |
| 2018 | Unit assessment | Unfavourable recovering condition | 55.5 |
| 2019 | Unit assessment | Unfavourable recovering condition | 54.64 |
| 2020 | Unit assessment | Unfavourable recovering condition | 54.07 |
| 2021 | Unit assessment | Unfavourable recovering condition | 52.87 |
| 2022 | Unit assessment | Unfavourable recovering condition | 50.8 |
| 2023 | Unit assessment | Unfavourable recovering condition | 49.13 |
| 2024 | Whole feature assessment | Unfavourable recovering condition | 21.67 |
| 2024 | Unit assessment | Unfavourable recovering condition | 48.81 |
| 2025 | Whole feature assessment | Unfavourable recovering condition | 21.07 |