Urban redevelopment projects at brownfield sites are challenging, especially when heritage conservation needs to be integrated into urban development plans. In these processes, close cooperation between various actors is essential to develop and implement plans. However, many projects seem to fail or opportunities are missed. This paper sheds light on the barriers and drivers in the planning process of these projects and shows that cooperation and interaction strategies might enable actors to

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... plement joint ambitions. Therefore, we conducted a comparative case study of 10 urban redevelopment projects involving cultural heritage buildings in the Netherlands. Our results show that there is no standard strategy. Various cooperation arrangements and interaction types are effective in dealing with complicating contextual factors and conflicts in the planning process.