Introduction To place the need for protected nature sites in context, the UK State of Nature Report published in 2023 reiterated that the UK’s wildlife is continuing to decline. The UK has seen significant loss of plants, animals and fungi. The main reasons cited in the Report for nature’s decline are development, land use and farming, climate change, unsustainable fishing and marine development. Similarly, the Secretary of State for Energy Security and Net Zero noted in his statement to the House of Commons, ‘State of Climate and Nature’ on 14 July 2025 that : ‘We know that climate change and nature loss are fundamentally linked and contribute to each other. Globally, we are losing species at a much faster rate than at any other time in human history. Here in Britain, a quarter of our mammals and nearly half of our bird species are currently at risk of extinction, with birds such as starlings, turtle doves and grey partridges under threat. The abundance of species in England has fallen by an estimated third since 1970, and Britain has become one