Architecture and Welfare positions Scandinavian modernism inside the political machinery of the welfare state rather than within a neutral history of modern form. Its iconic idea is that architecture helped materialise welfare as a lived infrastructure: schools, housing estates, libraries, nurseries, public interiors and open spaces were not secondary containers for social policy, but spatial instruments through which equality was organised, visualised and contested. The book's theoretical contribution is to read welfare as a design regime, where social democracy, domesticity, pedagogy, collective provision and technocratic planning converge in built form. Methodologically, it works through historical reconstruction, visual evidence, institutional analysis and close architectural reading, refusing both nostalgic admiration and blanket critique. Its wider bridge is to political urbanism: it shows that public architecture is never simply representational, but participates in the production of citizenship, habit, repair and social expectation.