The Aperlena Verdict
Narrow fieldИНФРАСТРУКТУРНИ СИСТЕМИ ЕООД leads with 48.4% of the last 64 comparable contracts, but 19 different suppliers have won here in 5 years. Worth a serious look.
Based on 64 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 construction and installation works under procedure BG16FFPR003-4.001 'Support for sustainable energy renovation of multifamily residential buildings, including tackling energy poverty', for a building at 98 Sveti Knyaz Boris I Street in Stara Zagora. The works comprise thermal insulation of external facade walls with an EPS system, thermal conductivity coefficient lambda of at most 0.035 W/mK and 0.12 m thickness with exterior plaster finish, replacement of all existing doors and windows with five-chamber PVC joinery with double glazing and a Uw of at most 1.40 W/m2K, insulation of the pitched cold roof, insulation of the ceiling and walls of the unheated basement with mineral wool and XPS systems, replacement of lighting with energy-saving fittings with motion sensors, and other activities set out in the design documentation. The building falls under the fourth construction category.
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) 3 days ago
Expected award price
- likely award for this notice, from its published estimate of €230,057
- €223,155 to €230,057
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 537 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 61 comparable contracts this buyer awarded in this sector over the last 4 years.
- This notice
- €230,057
- Median award
- €69,904
- Middle half of past awards
- €42,788 to €212,150
The estimate is larger than three in four past awards.
Most recent awards
- Energy efficiency measures in a multi-family residential building in the Kazanski district, block 16, Stara Zagora €1,737,856
- Engineering - preparation of an investment project, design supervision and construction works under procedure BG16FFPR003-4.001 for energy efficiency measures in a residential building at 57 Sveti Patriarch Evtimiy Blvd, Stara Zagora €421,100
- Engineering - detailed design, author supervision and execution of construction works under procedure BG16FFPR003-4.001 'Support for sustainable energy renovation of multi-family residential buildings, including addressing energy poverty' for the project 'Implementation of energy efficiency measures in a multi-family residential building at 128 Hristo Botev Street, entrances B, A, V, Stara Zagora' €557,500
- ENGINEERING - preparation of an investment project, supervision (author's control) and construction works under procedure BG16FFPR003-4.001 for energy efficiency measures in a multifamily residential building at 10 Starozagorsko vastanie St., Stara Zagora €783,000
- „Изпълнение на СМР във връзка с реализацията на обекти по процедура BG16FFPR003-4.001 „Подкрепа за устойчиво енергийно обновяване на многофамилни жилищни сгради, включително справяне с енергийната бедност“ за обект: „Изпълнение на мерки за енергийна ефективност в многофамилна жилищна сграда ул. “Петър Парчевич“ № 2, вх. 0, А, Б, В, Г, Д и Е, гр. Стара Загора“ €1,445,558
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 profileОБЩИНА - СТАРА ЗАГОРА
- notices in the register
- 231
- awards
- 145
- awarded in total
- €49.4M
Who wins its contracts
Many suppliers- different companies won its awards
- 87
- of the awards went to the three most frequent winners
- 33%
- of its calls state an estimated value
- 100%
Based on 144 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)
- 4.7
- of those lots received a single tender
- 14%
- of the awards went to companies based in another country
- 0%
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.
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 |
|---|---|---|---|
| ИНФРАСТРУКТУРНИ СИСТЕМИ ЕООД | 31 | €2.4M | Oct 2026 |
| ЩРАБАГ ЕАД | 11 | €671,747 | Jul 2026 |
| ВДХ АД | 5 | €117,931 | Jul 2026 |
| ЕСТЕТИ ЕООД | 2 | €3.2M | Aug 2026 |
| ИНФРАИНЖСТРОЙ ЕООД | 1 | €8.5M | Oct 2026 |
Based on 64 awards with a linked company profile over the last 5 years.
8 open tenders right now
- Food, beverages, tobacco and related products - Supply of food products for nurseries, children's kitchen, kindergartens and social service establishments in the Municipality of Stara Zagora, by separate lots 3 days left
- Construction supervision: comprehensive report on health and safety at work during construction works for the Integrated Children's Hospital Complex at University Hospital 'Prof. Dr Stoyan Kirkovich' 6 days left
- Horticultural and nursery products - Supply of annual and perennial flowers, indoor plants, ornamental shrubs and trees and other greening materials for the needs of Stara Zagora Municipality, in 2 separate lots 7 days left
Market context
Larger than 33% of the open notices in Construction work across Europe.
- open now in Construction work
- 19,844
- median open notice
- €564,179
Who wins in this market
Many suppliersBulgaria · Construction work
- different companies won awards here
- 1,043
- of the awards went to the three most frequent winners
- 4%
- buyers awarded contracts here
- 413
Based on 2,449 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
€153,209
est. value
2
days left
€260,832
est. value
6
days left
€364,579
est. value
Open elsewhere in Europe
Matched by meaning across languages, from the notices' own words: the same kind of contract, open now in another country.
Awarded before
Never miss a tender like this
189 new notices in Construction work in Bulgaria in the last 7 days. Get an email when new ones appear. Free.
Set up my alertOr follow just its CPV code, Construction work: an email when new tenders arrive under it, no account needed.