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Kolm Pluss Üks

Architecture and urban planning services for public, residential and commercial projects

Tallinn, EstoniaFounded 1998threeplusone.eeWebsite technologies

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About Kolm Pluss Üks

3+1 architects provides architectural design and urban planning services. Its portfolio includes schools, housing, commercial buildings, public spaces, bridges and private homes.

The team includes architects and partners. The company is based in Tallinn and was founded in 1998.

Product: Architectural design and urban planning services for buildings, public spaces and residential developments.

Public tenders won

8 tenders won since 1 Jan 2024 from 6 public buyers in Estonia, worth €680k as awarded. From EU award notices (TED) that name Kolm Pluss Üks by its registry number.

  • 20 May 2026 Riigi Kinnisvara Aktsiaselts · Kuressaare Ametikooli uue õpilaskodu rajamise arhitektuurivõistlus notice
  • 4 Nov 2025 Tallinna Linnavaraamet · Lasnamäe uue põhikooli rajamise (Martsa tn) ideekonkurss notice
  • 8 Aug 2025 Riigi Kinnisvara Aktsiaselts · Kohtla-Järve, Järve eestikeelse põhikooli uue õppehoone projekteerimine · €680k notice
  • 19 Jun 2025 Narva Linnavalitsuse Arhitektuuri- ja Linnaplaneerimise Amet · Narva Soldina linnaosa põhikooli hoone arhitektuurivõistlus notice
  • 11 Mar 2025 Riigi Kinnisvara Aktsiaselts · Kohtla-Järve Järve Kooli uue õppehoone arhitektuurivõistlus notice
  • 18 Dec 2024 Lääne-Harju Vallavalitsus · Paldiski hariduslinnaku arhitektuurivõistlus notice

Open tenders like these →

Jobs at Kolm Pluss Üks

No open positions listed right now.

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