The document summarizes the progress and status of Cluster 1, which focuses on spectrum usage and demand in the UK. Cluster 1 aims to identify current and future spectrum needs across different sectors to maximize social and economic benefits. So far chapters have been drafted on the space sector and utilities sector, with additional sectors still to be addressed. The status provides an overview of the structure and content of the deliverable, including sections on pinch points and opportunities. It also notes sectors that were not fully covered and will be in future work. In addition, it includes some views from Telefonica UK on the importance of mobile investment and making sufficient spectrum available to meet rising demand.