Abstract
ABSTRACT
This study conducts a Life Cycle Cost (LCC) Analysis on three-storey building in Abuja, Nigeria, addressing existing gaps in LCC approaches tailored to the challenges of the local building sector. The research aims to uncover financial allocations, decision making criteria, and sustainability factors throughout the construction project's life cycle, utilizing a mixed-methods approach for data collection. Structured questionnaires provide quantitative insights, while interviews and document analysis offer qualitative depth. Guided by a robust theoretical framework encompassing literature on life cycle costing, sustainability practices, and construction-specific decision-making criteria in Abuja, the study critically examines the life cycle costs of the building. It emphasizes identifying decision-making criteria that balance economic efficiency and sustainability. Anticipated outcomes include a nuanced understanding of life cycle costing dynamics in Abuja, providing actionable insights for project stakeholders and policymakers. The study contributes valuable insights to the broader discourse on life cycle costing in dynamic urban environments, aligning with global imperatives for sustainable construction practices. The research outcomes offer practical guidance for sustainable decision-making in construction projects, addressing both global principles and local complexities.

Key words: KEYWORDS: Life Cycle Costing, Construction Projects, Sustainability, Decision- Making Criteria, Abuja.