Renovation and demolition, as tools for improving the built environment Francis O. Okeke, Emeka J. Mba, Ajuluchukwu E. Igwe, Foluso C. Awe, Ebere D. Okonta, Emmanuel C. Ezema, Peter I. Oforji and Chinemerem M. B. Okeke E3S Web Conf., 563 (2024) 02042 Published online: 30 August 2024 DOI: 10.1051/e3sconf/202456302042