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Renovation and expansion IKC De Regenboog
Verbouwing en uitbreiding IKC De Regenboog — original title
Your path to submission
- Deadline for requests to participate: 19 November at 15:00 — 19 days left. Two-stage procedure: by this deadline you submit a request to participate (proof of eligibility). Only shortlisted firms are then invited to submit a tender.
- You submit on TenderNed — not here and not by e-mail. ↗ Submission via TenderNed with an eHerkenning account — issuance for foreign firms can take time; apply early. Sort out account and signature first — not on submission day.
- Offer and evidence in: Dutch.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
The municipality of Ridderkerk has decided to realize renovations for CBS De Regenboog and incl. childcare (total approx. 2,444 m2 BVO). The renovation will take place at the current location of CBS De Regenboog. The Assignment concerns the realization by the Contractors of the renovation and expansion of IKC De Regenboog in Ridderkerk. The Assignment includes the renovation of the existing building (approximately 1,515 m2) and the realization of a new building extension of approximately 1,014 m2. The renovation and expansion consists largely of: ▪ the demolition works of the low-rise buildings to be demolished; ▪ the internal demolition work for the internal renovation of the existing building; ▪ the realisation of enlargement; ▪ the realisation of the internal renovation. The Assignment is divided into two Lots. The municipality of Ridderkerk has decided to realize renovations for CBS…
Show full description
… De Regenboog and incl. childcare (total approx. 2,444 m2 BVO). The renovation will take place at the current location of CBS De Regenboog. The Assignment concerns the realization by the Contractors of the renovation and expansion of IKC De Regenboog in Ridderkerk. The Assignment includes the renovation of the existing building (approximately 1,515 m2) and the realization of a new building extension of approximately 1,014 m2.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 2 months (7 awards, most recently July 2026) — by that rhythm the next award was due around September 2026. The last award went to J. van Huizen Groenvoorzieningen B.V.n = 7
- 30% of this buyer's awards went to companies that had already won here before (51 awards since 2024, spread over 36 companies). That is well above the sector norm (18%) — newcomers have a harder time here than elsewhere.n = 51 awards since 2024
- The median procedure drew 4 bids (51 procedures with a bid count); 14% ended with a single bidder. Sector: median 4 bids.n = 51
- 2% of awards went to companies from abroad (51 awards with a known winner country). Sector average: 2%.n = 51
- 29% of the bids received came from small and medium-sized enterprises (49 procedures with a bid mix). Sector: 29%.n = 49
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 25/10/2026.
Selection criteria — in the procurement documents
The buyer states in the notice that the selection criteria are in the procurement documents (link on this page), not in the EU form. The document analysis below extracts them from there — bid and evidence in Dutch.
Eligibility analysis from the tender documents
Tender documents — direct download
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| GKB Realisatie B.V. | 3 | 2024–2026 |
| J. van Huizen Groenvoorzieningen B.V. | 3 | 2024–2026 |
| Boer Speeltoestellen B.V. h.o.d.n. BOERplay | 3 | 2025 |
| Allianz Benelux N.V. | 3 | 2024 |
| Kompan B.V. | 3 | 2025 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, usually 5 or more bids came in. Many compete here — price and references decide. (Based on 7 completed awards — not a statement about this procedure.)
This procedure allows 31 days between publication and deadline — typical in this country is 48 (median of 2,911 procedures). Much tighter than usual: the first week counts.
Foreign bidders
In the Netherlands · Construction work, 31 contracts went to foreign companies over the last 3 years (of 2,446 recorded awards) — mostly from Belgium, Germany, France.
Submission language: Dutch.
How to bid
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