This report presents a methodological approach for project developers to estimate, monitor and evaluate the actual outcomes of their adaptation activities. This framework consists of two key metrics; Saved Wealth and Saved Health. Saved Wealth quantifies the monetary value protected by adaptation efforts, including public infrastructure, private property, and income, while Saved Health measures the health impacts avoided, such as disease, disability, and premature death. This framework is applied in a case study on coastal protection in Vietnam and enables to compare, ex-ante, the expected benefits of two adaptation options (a mangrove rehabilitation programme vs. a dyke upgrade). The report also highlights the relevance of the framework for measuring project impacts ex-post, e.g.