Travaux d'écoconstruction, clos et couvert, lot 1.
Contract 2025T122140000 · notified in 2025
In 2025, the City of Paris awarded contract 2025T122140000, "Eco-construction works, building envelope and roofing, lot 1." (travaux de construction, rénovation équipements publics), to BC.N for a maximum of €9M.
Source: DECP via opendata.paris.fr, data as of 28 September 2026.
BC.N carries out construction works using ecological methods, covering the structure and roofing (envelope) of public buildings.
Original label (DECP) : « SA4_TVX D’ECOCONSTRUCTION_CLOS ET COUVERT_LOT1 » · WORKS · Public facility construction and renovation works · Works · Construction works · carried out in Paris · social clauses · environmental clauses
Who won it
BC.Nregistered office VELIZY-VILLACOUBLAY (78140) · headcount 41 · SIRET 34197215600119The competition
Median for this procedure in 2025: 7 bids, across 341 comparable contracts. Open tender · awarded to 1 company
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
Contract no. 2025T122140000 · scope M57 Ville · See this contract’s exact record on opendata.paris.fr ↗