How can I qualify for a Golden Visa in Greece through investment in my own existing property?

Golden Visa residence permits can be granted to third country citizens who purchase plots of land or acreage and erect a building. The following additional documents must be submitted: Contract for the purchase of the plot of land or acreage (according to the rules of Immigration Law); contract with the construction company for the erection/restoration of the residence, which has been submitted to the tax office according to the law; building permit in the name of the applicant; invoices by the contractors and the corresponding proofs of payment.