A new tax on derelict properties in Ireland, introduced as part of Budget 2027, is already facing questions about its potential for success. This analysis, the first in a series, examines the background leading to the implementation of this measure. Experts specializing in derelict properties within Ireland are assessing the tax’s design and anticipated effectiveness. The report delves into the circumstances that prompted the government to address the issue of long-term vacant buildings. Key considerations include the definition of “derelict” and potential loopholes that could hinder the tax’s impact. The series aims to provide a comprehensive evaluation of whether the new tax is adequately structured to achieve its goal of revitalizing abandoned properties across Ireland. Further analysis will explore potential challenges and suggest improvements to the policy.