Environmental Case Studies: Ensuring Suitable Comparables‪.‬

abstract The difficulty of using case studies in the appraisal of contaminated land has eased due to the increased number of redeveloped sites entering the marketplace. The key element of the case study approach is ensuring suitable comparables. The research presented in this article supplements the case study literature by assessing buyer knowledge in situations involving redeveloped and environmentally impaired residential property. The central message is that if buyers of comparable properties have no knowledge of contamination, use restrictions, and maintenance procedures associated with contaminated land, the case study approach could produce invalid and unreliable results.