Sõpruse pst 228 is a 5-storey residential building completed in 1965 in Mustamäe, with 90 apartments. Load-bearing structure: Prefabricated Concrete Panels (EHR register). The most common unit type is 2-room apartments (51 of them). Energy class C (per energy certificate).
Based on the Estiq valuation model and Land Board transaction registries, the building price benchmark is 2 618 €/m², which is approximately 4.1% below the Mustamäe median (notarised apartment transaction median €2 729/m²). The building demonstrates high transaction liquidity for 2-room units, with a typical market value of around €117 286.