The Aperlena Verdict
Open raceNo supplier dominates: 16 different companies have won the last 16 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 16 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 summaryThe City of Langenfeld/Rhld. is procuring construction works for the demolition of oil separator basins in the Further Moor. The scope includes removal and disposal of water and sludge, demolition and disposal of the sealing membrane, and site reshaping. Works are scheduled from 15.10.2025 to 31.12.2025. This is a publication under § 20 (4) VOB/A; interested companies must apply to the contracting authority with suitability evidence under § 6a VOB/A, including three references of comparable works from the last 3 years. Prequalification alone is not sufficient. Selected applicants will receive tender documents. There is no legal right to participate.
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 profile10 open tenders right now
- Sanitary installations - Plumbing works - Extension of primary school and after-school care, Froebelstr. 15, 40764 Langenfeld 3 days left
- Installation of heating, ventilation and air conditioning systems - Heat supply extension GS and OGS Froebelstr. 15, 40764 Langenfeld 3 days left
- Installation of fitted kitchens - Setting up a catering kitchen - Extension of the OGS Fahlerweg in Langenfeld 9 days left
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| LEONHARD WEISS GmbH & Co. KG | 1 | €1.9M | Mar 2026 |
| H. J. Nolte Bedachungen GmbH | 1 | €656,525 | Sep 2026 |
| Frissen & Zohren GmbH | 1 | €513,792 | Jun 2026 |
| Martin Lammermann GmbH | 1 | €484,982 | Jul 2026 |
| Holthausen Kälte-, Klima- und Lüftungstechnik GmbH | 1 | €430,403 | May 2026 |
Based on 16 awards with a linked company profile over the last 5 years.
What this buyer has paid before
Based on 15 comparable contracts this buyer awarded in this sector over the last 4 years.
- €178,955
- Lower quartile
- €332,396
- Median award
- €457,692
- Upper quartile
Most recent awards
- Dachabdichtungs- und -dämmarbeiten - Dachabdichtungsarbeiten/Dachdeckerarbeiten, Erweiterung GS und OGS Fröbelstr. 15, 40764 Langenfeld €656,525
- Installation von Zentralheizungen - Wärmeerzeugungsanlagen, Heizungsanlage - Erweiterung der OGS Fahlerweg in Langenfeld €384,121
- Fassadenarbeiten - Fassadenarbeiten Ziegel-Verblendmauerwerk/WDVS Erweiterung GS und OGS Fröbelstr. 15, 40764 Langenfeld €366,581
- Gerüstarbeiten - Gerüstarbeiten - Erweiterung der GS und OGS Fröbelstr.15 in Langenfeld €45,029
- Metallbauarbeiten - Metallbauarbeiten (Fenster, Außentüren, Sonnenschutz), Erweiterung GS und OGS Fröbelstr. 15, 40764 Langenfeld €325,856
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
- €33,193,450
- Buyer track record on Aperlena
- 68 notices tracked · 30 awarded
- €7,460,050 in awarded contracts
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