This technical guide, updated to 2026, integrates Colombian regulations (Law 1673 of 2013, IGAC Resolution 620 of 2008), international IVSC standards (adopted by ICONTEC) and official IGAC replacement values (2024). It aims to provide a comprehensive framework for conducting urban appraisals.The document covers: the regulatory framework and appraiser requirements; property classification; analysis of the certificate of tradition; technical inspection of real estate (including masonry pathologies and seismic vulnerability); the four valuation methods (comparison, replacement cost, rental capitalization and residual); the Fitto and Corvini continuous depreciation method; the IGAC 2024 system of construction typologies and regional values; the basis of the Market Value (NTS S 01) and other values (NTS S 02); the minimum content of the appraisal report (NTS S 03); and a complete procedure with practical cases and checklists.
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