Design-and-build contract for new construction at Heka Honkasuo Perhosenkierto 29, Helsinki

Summary

The procurement concerns a fixed-price design-and-build contract for the new construction of apartment buildings at Heka Honkasuo, Perhosenkierto 29, Helsinki. The contract covers overall design, building works and all heating, ventilation, plumbing, electrical and automation works. Design may begin after the pre-agreement is signed, and construction is estimated to start in October 2027. The buildings may also be implemented as hybrid structures if their carbon footprint is demonstrated to meet the calculation methods set out in the procurement programme. The procurement is not divided into lots. Tenders must be submitted by 15 September 2026 at 09:00 UTC. Precise qualification and compliance requirements should be checked in the tender documents.