J. Poska tn 21 is a 4-storey residential building completed in 1999 in Kesklinna, with 15 apartments. Load-bearing structure: Timber Frame (EHR register). The most common unit type is 3-room apartments (7 of them). Energy class D (estimated from construction year).
The Estiq AVM baseline for apartments in this building is 4 145 €/m², approximately 11.2% above the Kesklinna median (notarised apartment transaction median €3 727/m², 2026 Q3, n=408). The typical unit (3-room, 114,4 m²) comes to about €456 456.