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Types of procedure and their duration

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What you will learn Which types of procedure exist, the three dimensions that distinguish them, what determines real duration, how to choose a type, and what changes in September.

The type of procedure is not a matter of style. In most cases it is fixed by the threshold, and freedom of choice begins only under certain conditions. That is the first thing to take into account when planning the timetable of a construction procurement: the type is not what the authority picks, it is what the estimated value gives it.

1. Which types of procedure exist

The Public Procurement Act provides for several types. The conditions and deadlines of each derive from the law and this article does not reproduce them; the table below gives orientation on what each type is for.

Type of procedure Character Typical use in construction
Simplified procedure least formal, lighter documentation most small and medium construction procurements
Open procedure any interested party may tender standard larger construction procurement
Restricted procedure requests to participate first, then invitations where qualification is critical and candidates numerous
Competitive procedure with negotiation tenders are negotiated where the solution needs refining
Competitive dialogue the solution is developed with tenderers complex, novel projects
Innovation partnership aimed at creating a new solution rare in construction
Negotiated procedure without prior publication exceptional, narrow conditions exceptional cases, must be justified

In practice the first three are central in construction. Negotiated procedures are underused in the sector, because they allow the solution to be refined before the final price is agreed, which is often precisely what a construction project needs.

2. The three dimensions that distinguish them

Procedure types differ along three dimensions, and those three cover the whole field. They are openness, duration and volume of documents.

Dimension Question Why it matters in construction
Openness open to all, or with a pre selection sets the number of tenders and the evaluation workload
Negotiation can tenders be negotiated allows the solution to be refined before the price is fixed
Deadlines what are the minimum time limits the most practical dimension for construction works

The third dimension is the most practical in construction, because preparing a tender depends on third parties: subcontractors and suppliers, whose response time is outside the tenderer's control. Time is a substantive factor here.

3. What determines real duration

A minimum time limit is not the duration of a procedure. It is one of four stages, and usually not the longest.

Stage Who bears it Predictability
Preparation before the notice is published contracting authority good, but often underestimated
Tender submission deadline the law, as a minimum complete
Examination and evaluation of tenders contracting authority depends on number and complexity
Standstill and any review proceedings tenderer initiates worst

Preparation is usually the longest stage in construction procurement, and it is the authority's own work, not a delay imposed by law. No average duration figure includes it, which is the most common reason procurement timetables fail.

Institutional sources estimate that the average duration of procurement procedures may fall from around 87 days to about 50 after the changes of 1 September 2026. The figure is an order of magnitude.

Indicator Before the reform After the reform
Average duration of procurement procedures around 87 days around 50 days

That figure deserves two qualifications. It is an average across all procurements, not a promise about any one of them. And it measures the procedure, not the preparation: the 37 day reduction comes from the procedural part, while the authority's own preparatory work stays the same.

4. How to choose a type

Three steps, of which only the third is a real choice. The first two follow from the threshold.

Determine the estimated value and the applicable threshold. This is covered by the thresholds branch.

Check which types are permitted at all at that threshold. Usually few are.

Choose among the permitted types the one that suits the subject matter. Here the choice is real, but the room is narrow.

In most cases the first step is decisive and little room remains. More room exists for complex and larger procurements, where negotiated procedures are permitted, and it is there that the choice deserves serious consideration rather than a default open procedure.

5. What changes in September

Two things affect procedure types directly. A simplified procedure may in future be run where the estimated value of the procurement is below the international threshold. For construction works this means up to €5,404,000, which is many times wider than before.

This widens the field of the simplified procedure considerably, because the intermediate tier was previously a separate procedure: a procurement worth €150,000 to €5,404,000 went to a full procedure, and can now be run as a simplified one. The change lightens most procedures.

Institutional sources estimate the change affects roughly 49 % of all public procurements. The estimate rests on past statistics.

For construction works this means medium sized procurements move into a simpler procedure but with a longer tender deadline: 25 days instead of 15. The procedure therefore becomes lighter in form and friendlier to tenderers in time at once.

In summary

The type of procedure is fixed by the threshold in most cases, and real room to choose opens only with more complex procurements, where negotiated procedures are permitted. Duration is set not by the minimum deadline but by four stages together, of which the longest, preparation, is excluded from every average duration figure.

From 1 September 2026 a simplified procedure may be run up to the international threshold, for construction works up to €5,404,000, which moves most medium sized construction procurements into a lighter procedure. Average procedure duration should, on institutional estimates, fall from around 87 days to about 50, but that figure does not cover the authority's own preparation, which stays the same.

This article serves professional orientation at the date of checking. It does not replace the Public Procurement Act or information published by the Ministry of Finance.

Frequently asked questions

Along three dimensions: how open participation is, how long the deadlines are, and how many documents are required. For construction works the deadline is the most practical of the three, because preparing a tender takes time.

According to institutional sources the average runs to several months, and construction procurements usually run longer than that average. The actual duration depends on the size of the works and on how ready the procurement documents are.

Only within the limits set by the estimated value. An authority may choose a stricter procedure than the one required, but not a lighter one.

Institutional sources estimate that roughly 49 % of all procurements move into a lighter procedure. The estimate rests on past statistics and gives an order of magnitude rather than an exact figure.

Explore the articles in this guide

Public construction procurement in Estonia: thresholds, procedures and the 2026 reform