The Aperlena Verdict
Incumbent-lockedТрилиум инженеринг ЕООД has won 3 of the last 4 comparable contracts from this buyer over 5 years. Winning here means displacing an incumbent, so price the effort accordingly.
Based on 4 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 contract covers engineering services, combining design, construction works and author supervision, for the sustainable energy renovation of a multi-family residential building with administrative address at 30 Knyaginya Klementina Street, Krasno Selo quarter, Krasno Selo district, Sofia. The scope includes: preparation of the investment design at the working design phase; execution of construction and installation works; and exercise of author supervision during the performance of those works. The contractor must perform the contract in accordance with the six environmental objectives and the technical guidelines for applying the do no significant harm principle under the Recovery and Resilience Mechanism Regulation. Detailed activities, volumes and requirements are set out in the attached technical specification and documentation.
Description
Bid or no-bid?
Six questions before you commit a team. Under each one, what the register holds on it. The answers are yours.
Can I bid?
- Open procedure: any interested supplier may submit a bid.
- The notice is written in Bulgarian.
- Certificates from another EU country? Check the equivalents on eCertis
Official source
Source: CAIS EOP - Bulgarian national e-procurement (Public Procurement Agency)
Always verify details on the official notice.
Report an error in this notice
Last verified against CAIS EOP - Bulgarian national e-procurement (Public Procurement Agency) 1 week ago
Expected award price
- likely award for this notice, from its published estimate of €105,183
- €102,027 to €105,183
Comparable awards in this country and sector came in at a median of 99% of their published estimate, half of them between 97% and 100%, based on 533 awards of the last 3 years.
Each award is compared with the estimate of the same lots, framework agreements excluded. A published estimate may include options and renewals, so an award under it is not always a discount.
What this buyer has paid before
Based on 4 comparable contracts this buyer awarded in this sector over the last 4 years.
- This notice
- €105,183
- Median award
- €203,703
- Middle half of past awards
- €69,074 to €428,515
The estimate sits inside the usual range.
Most recent awards
- Repair of road surfaces and inter-block spaces (sidewalks, streets, alleys) in the Krasno Selo district, Sofia Municipality €86,967
- Repair and reconstruction works on the transport infrastructure network in Krasno Selo district €320,439
- Облагородяване и озеленяване на пространството зад бл. 228, ул. "Невестина скала", ж.к. „Борово“, ПИ 68134.206.92 на територията на район „Красно село“ - СО €15,396
- Reconstruction of the alley network of the Hipodruma Park in the Krasno Selo district, Sofia Municipality €752,741
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
The buyer
Full buyer profileРАЙОН "КРАСНО СЕЛО"
- notices in the register
- 18
- awards
- 7
- awarded in total
- €1.2M
One dot per award, on the day it was signed, sized by its value. A ring is an award with no published value.
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Трилиум инженеринг ЕООД | 3 | €422,801 | Sep 2026 |
| ИНФРАКОРЕКТ СТРОЙ ЕООД | 1 | €752,741 | Aug 2026 |
Based on 4 awards with a linked company profile over the last 5 years.
4 open tenders right now
- Engineering for sustainable energy renovation of a multi-family residential building at 15 Hristo Botev Blvd, Krasno Selo district, Sofia 1 day left
- Engineering (design, construction and design supervision) for sustainable energy renovation of a multi-family residential building at 19 Tundzha Street, Sofia, Krasno Selo district 10 days left
- Engineering (design, construction and design supervision) for sustainable energy renovation of a multifamily residential building in Sofia 10 days left
Market context
Larger than 20% of the open notices in Construction work across Europe.
- open now in Construction work
- 19,943
- median open notice
- €533,524
Who wins in this market
Many suppliersBulgaria · Construction work
- different companies won awards here
- 1,037
- of the awards went to the three most frequent winners
- 4%
- buyers awarded contracts here
- 407
Based on 2,424 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 2.7
- of those lots received a single tender
- 33%
- of the awards went to companies based in another country
- 1%
- of the tenders came from another country
- 1%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
Similar tenders
Open now
1
day left
€42,608
est. value
Awarded before
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