J. V. Jannseni tn 21 is a 2-storey residential building completed in 1946 in Nõmme, with 24 apartments. Load-bearing structure: Timber Frame (EHR register). The most common unit type is 2-room apartments (18 of them). Energy class E (estimated from construction year).
Based on the Estiq valuation model and Land Board transaction registries, the building price benchmark is 3 109 €/m², which is approximately 0.3% below the Nõmme median (notarised apartment transaction median €3 118/m²). The building demonstrates high transaction liquidity for 2-room units, with a typical market value of around €114 100.