Birtley native leads The Property Block in revolutionising property development in south England The Property Block is not only helping to solve the housing crisis but has also partnered with UK charities to support people in need Advertorial Based in the south of England, The Property Block works to identify land for property development whilst preserving our green countryside (Image: Getty Images) Alexander Hagan is a true rags-to-riches story. Growing up in a working-class family in Birtley, Gateshead, surrounded by crime and relative poverty, Alexander had a dream that he could one day achieve success while making a positive impact on the country.