The Aperlena Verdict
Open raceNo supplier dominates: 50 different companies have won the last 58 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 58 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Summary
Machine-generated summaryBau- und Liegenschaftsbetrieb NRW is procuring civil engineering and road construction works in Cologne, Germany. As part of the roof renovation of the main building of the State Office for Weights and Measures NRW (Eichamt and Direktion Koeln), the roof drainage will be converted from an internal to an external drainage system. New connection and sewer lines will be installed and connected to the existing mixed water system of the property. All work will be carried out in open pipe trenches. Interested companies should apply by email to k.einkauf@blb.nrw.de by the deadline of 05.05.2026.
Description
Official source
Source: Vergabemarktplatz NRW (open data satellites)
Always verify details on the official notice.
Last verified against Vergabemarktplatz NRW (open data satellites) 1 month ago
More from this buyer
Full buyer profile38 open tenders right now
- Installation of doors and windows and accessories - BLB NRW Cologne / Technical University of Cologne, Deutz Campus, new building E+P2, windows and exterior doors 3 days left
- Road paving and asphalt works - BLB NRW Cologne / TH Cologne, Campus Deutz, infrastructure, Foyerplatz 4 days left
- Civil engineering works, excluding tunnels, shafts and subways - BLB NRW K / Cologne / New prison Cologne / Site preparation 4 days left
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Lörcks Elektro Heizung Sanitär GmbH | 3 | €1.7M | Aug 2026 |
| Apleona Wolfferts Gebäudetechnik | 3 | €1.1M | Aug 2026 |
| Oertel & Prümm GmbH & Co. KG | 2 | €4.9M | Aug 2026 |
| Lammertz Elektrotechnik GmbH & Co. KG | 2 | €2.6M | Aug 2026 |
| Holthausen Kälte-, Klima- und Lüftungstechnik GmbH | 2 | €2.0M | May 2026 |
Based on 58 awards with a linked company profile over the last 5 years.
What this buyer has paid before
Based on 34 comparable contracts this buyer awarded in this sector over the last 4 years.
- €528,056
- Lower quartile
- €976,606
- Median award
- €1.9M
- Upper quartile
Most recent awards
- Structural works - BLB NRW Cologne / Technical University of Cologne, Deutz campus, new buildings E + P2, structural works €11,234,522
- Bau von Hörsälen - BLB NRW Köln / Technische Hochschule Köln, Campus Deutz, Neubau Gebäude B, Hörsaalgebäude, Tribüne und Hörsaalgestühl €2,322,430
- Rohbauarbeiten - BLB NRW Köln / Technische Hochschule Köln, Campus Deutz, Neubau Gebäude E + P2, Rohbauarbeiten €10,470,549
- Elektrotechnikinstallation - BLB NRW Köln / Technische Hochschule Köln, Campus Deutz, Infrastruktur, Elektrische Anlagen €3,142,952
- Komplett- oder Teilbauleistungen im Hochbau sowie Tiefbauarbeiten - BLB NRW Köln / Universität Bonn Neubau Pharmazie /AVZ II / Schlüsselfertige Errichtung mit integrierter Planung (SEP) ab LP 5 €99,336,561
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
Similar tenders
Market context
- Avg. open tender · Construction work
- €31,561,665
- Buyer track record on Aperlena
- 241 notices tracked · 121 awarded
- €182,411,531 in awarded contracts
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