The Aperlena Verdict
Open raceNo supplier dominates: 7 different companies have won the last 8 comparable contracts from this buyer over 5 years. This is a genuinely open race.
- 0%
- Expected final price vs the published estimate
Based on 8 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 summaryRoofing works are being procured for the conversion and extension building of the Martin Luther primary school in Gronau on Herzogstrasse, focusing on the planned extension building. The services include a flat roof waterproofing system on the new building consisting of a vapour barrier, EPS base insulation, EPS sloped insulation and a two-layer bituminous sealing, including the construction of the planned green roof. The new building must be connected to the existing building, requiring a new parapet upstand. The works conclude with a surrounding powder-coated aluminium parapet capping. Quantities include about 800 m2 of bituminous flat roof waterproofing, 800 m2 of green roof, 120 m of aluminium parapet flashing, 800 m2 of base slab sealing and 75 m of waterproofing for floor-to-ceiling window elements.
Description
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
Always verify details on the official notice.
Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 15 hours ago
More from this buyer
Full buyer profile11 open tenders right now
- Fire brigade vehicles - Container system vehicle (Wechselladerfahrzeug) 6 days left
- Installation of doors and windows and accessories - Grüne Aue School, new building - Supply and installation of wood-aluminium windows and doors 6 days left
- Drywall works - Renovation of the Epe sports halls, 2nd construction phase - Dry construction works 8 days left
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Huke & Co. GmbH | 2 | €750,310 | Feb 2026 |
| Kippenbrock GmbH | 1 | €980,277 | Aug 2026 |
| CerneART Gmbh&Co Kg | 1 | €425,609 | Feb 2026 |
| Gerhard Herbers GmbH | 1 | n/a | Sep 2026 |
| Heiduck Metallbau GmbH | 1 | n/a | Dec 2025 |
Based on 8 awards with a linked company profile over the last 5 years.
What this buyer has paid before
Based on 7 comparable contracts this buyer awarded in this sector over the last 4 years.
- €0
- Lower quartile
- €318,501
- Median award
- €428,709
- Upper quartile
Most recent awards
- Elektroinstallationsarbeiten - Grüne-Aue-Schule, Neubau - Elektroinstallationsarbeiten €980,277
- Fassadenarbeiten - Werner-von-Siemens-Gymnasium, Erweiterung - Fassadenarbeiten €425,609
- Dachdeckarbeiten - Neubau Historisches Rathaus Gronau - Dachdeckungsarbeiten €431,809
- Bauarbeiten für Stahlkonstruktionen - Neubau Historisches Rathaus Gronau - Zimmer- und Stahlbauarbeiten Dachkonstruktion
- Metallbauarbeiten - Werner-von-Siemens-Gymnasium, Erweiterung - Metallbauarbeiten
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
- €31,337,817
- Buyer track record on Aperlena
- 55 notices tracked · 20 awarded
- €2,582,310 in awarded contracts
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