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 (BLB NRW), Cologne, is procuring roof renovation works at the State Glass Vocational School in Rheinbach, a building complex with parts A to F, M and S plus detached part G. The works concern building part B and include dismantling and reassembling wall panels, cleaning the roof, closing roof waterproofing at skylights, wind-suction field fixings, a roof edge railing, sanitation fans, saw-rough timber boarding, mechanically fastened FPO roofing membrane, edge profiles and four years of annual maintenance. Applications must be emailed to k.einkauf@blb.nrw.de by 21.07.2026. Non pre-qualified companies must submit a suitability self-declaration (Form 124 or EEE). No estimated value is stated.
Description
Official source
Source: Vergabemarktplatz NRW (open data satellites)
Always verify details on the official notice.
Last verified against Vergabemarktplatz NRW (open data satellites) 2 months ago
More from this buyer
Full buyer profile38 open tenders right now
- Architecture, engineering and testing services - BLB NRW Cologne / TH Cologne / replacement new building Campus Deutz / Building D / construction site safety coordinator 1 day left
- Installation of doors and windows and accessories - BLB NRW Cologne / Technical University of Cologne, Deutz Campus, new building E+P2, windows and exterior doors 5 days left
- Road paving and asphalt works - BLB NRW Cologne / TH Cologne, Campus Deutz, infrastructure, Foyerplatz 6 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
- €31,233,700
- Buyer track record on Aperlena
- 240 notices tracked · 121 awarded
- €182,411,531 in awarded contracts
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