These datasets form part of Defra’s Enabling a Natural Capital Approach (ENCA) resource. The Services and Assets Databooks together collate around 400 UK data sources, tools and studies for 8 natural habitat categories and 25 environmental effect categories. These include selected economic valuation evidence. The case studies summarise many real-world examples of how natural capital is used in various situations. An excel template is provided to facilitate natural capital assessment according to HM Treasury Green Book guidance.