CASWYDAWNICTWObuyer room · privateManage buyer room
The Polish construction cost-index family used for contract indexation, sold as a subscription platform rather than as books. Components: KCOB (price catalogue for building objects), KCOE (energy objects), KCOD (roads), KCOK/KCOT (railway), KCOSZ/KCOZT (external networks and site development), plus the index/calculator layer — KWZC (Catalogue of Price Change Indices, valuation and projection), KWKZ, KWZ, KWO (reproduction value) and KKRI (investment realisation cost). The distinctive property is cadence and horizon: 'waloryzacja live' is updated weekly for the KCOB/KCOE/KCOD index families, and the current KWZC release (Q3 2026) carries published price projections forward to 2029. Delivered through a Centrum Kalkulacji of online calculators for every catalogue, so the indices are computable per object type rather than printed as bare percentage tables.
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