Upgrade of central heating, domestic-hot-water circulation and heat substation, and replacement of water and sewage installations at the residential property at Mackiewicza 9

Summary

The procurement concerns construction works at a residential property at Mackiewicza 9 in Warsaw: refurbishment of basement rooms for a heat substation, upgrades to the central heating and domestic hot-water circulation systems, installation or modernisation of the heat substation, replacement of water and sewage installations, and related electrical, finishing and renovation works. The contract period is 240 days and bids must be submitted electronically in Polish by 21 September 2026. Offers are scored on price (60%) and warranty period (40%). If at least two admissible bids are received, the contracting authority may conduct a one-stage electronic auction; the auctioned criterion is the total gross price.