A speculative call centre with 55,000 sq ft under construction on the edge of Belfast has been let to Sx3, one of the largest companies in the North specialising in outsourcing services. The £6 million building has been let at £8.15 sterling per sq ft under a 10-year lease. There is on-site parking for 270 cars. The letting was handled by Richard Ellis Gunne who were also responsible for the recent letting of 38,000 sq ft of space in Corporation Street to a subsidiary of All State Corporation, Northbrook Technology.