Renovation of window and door joinery, the plinth and renders at Blanka Palace, Senatorska 14, Warsaw

Summary

The contract concerns comprehensive renovation and conservation works at Blanka Palace, Senatorska 14 in Warsaw. The scope includes renovation of approximately 165 window openings and several pairs of doors, the stone plinth with damp-proof insulation and related masonry and paving works, and the external and internal renders, architectural details and sheet-metal elements. The works must be completed by 30 October 2027. A site inspection is mandatory; the offer may be rejected if the bidder does not attend. Offers must be submitted electronically in Polish by 14 September 2026 at 10:00. The bid must cover the entire scope, comply with the design and technical specifications, and include a PLN 20,000 bid guarantee. Offers are assessed by gross price (60%) and the length of warranty and statutory liability period (40%).