How to Draft Czech Zoning Plan Amendments That Survive Court Review

Mgr. Karel Huneš
Mgr. Karel Huneš
12.3.2026 | ARROWS law firm

Zoning plan amendments are a frequent source of disputes between municipalities and the courts in the Czech Republic. Thousands of municipalities attempt to update their plans every year, yet the number of annulled measures is alarming. Although the new Building Act has unified the rules, even a minor underestimation of the process can lead to failure. This article offers insight into how to structure amendments so they withstand judicial review in Czech courts, and describes specific steps to protect your time and financial investment.

In the image, we see an attorney specialising in zoning plan amendments.

Quick summary

  • An amendment to a zoning plan in the Czech Republic must be prepared in accordance with Act No. 283/2021 Coll., which places emphasis on digitalisation and standardisation.
  • Czech courts require a detailed, fact-based justification of the amendment; generic phrases about municipal development are not sufficient and lead to the measure being annulled.
  • Compliance with higher-level planning documentation (the Region’s Principles of Territorial Development and the Territorial Development Plan) must be explicitly evidenced.
  • Insufficient establishment of the facts—such as missing infrastructure capacity or ignoring territorial constraints—is a key reason why plans are annulled.

Legal framework and a municipality’s obligations when amending a zoning plan

In 2026, amendments to zoning plans in the Czech Republic are fully governed by Building Act No. 283/2021 Coll. (the “New Building Act”), which replaced the previous legislation. This is a specific legal discipline whose boundaries are defined not only by statute but also by extensive case law of the Czech administrative courts. Even so, attorneys who deal with this area on a daily basis know that the practical application of the new rules contains many hidden pitfalls.

The legal basis for preparing a zoning plan and its amendments is regulated by the New Building Act primarily in Sections 93 to 117. The process of amending a zoning plan is governed similarly to the adoption of a new plan; alternatively, a shortened procedure for preparing an amendment may be used, which is widely used in practice for partial adjustments. A municipality that decides to amend its zoning plan must follow a precisely defined framework.

The process begins with a decision of the municipal council to initiate the amendment, which may be adopted either on its own initiative or upon a proposal by an entitled person. Risks already arise at this stage as to whether the proposal contains all required elements and whether the proposer is entitled to submit it.

ARROWS, a Prague-based law firm, regularly handles situations where it is necessary to legally structure the relationship with an investor initiating the amendment. It is very important to set the terms of cooperation—e.g., through a planning agreement—before the process is formally launched.

Related questions on the legal framework

1. Who can propose an amendment to a zoning plan?
Under the New Building Act, the municipal council may decide to initiate an amendment on its own initiative, upon a proposal by a public authority, or upon a proposal by a resident of the municipality, a natural or legal person holding ownership rights to land in the municipality, or an entitled investor. The proposal must contain the statutory requirements, including identification of the proposer and the reasons for initiating the amendment.

2. What is the time limit for deciding on the proposal?
The Building Act does not set a strict preclusive deadline for the municipal council to decide whether it will initiate the amendment; however, principles of good administration require a decision without undue delay. In the case of a proposal by an entitled investor or an owner, the municipality should discuss the proposal within a reasonable time, typically within several months.

3. What happens if the municipality rejects the proposal to initiate an amendment?
There is no legal entitlement to the initiation of an amendment to a zoning plan. If the municipal council decides not to initiate the amendment, it should notify the proposer. Challenging the municipal council’s resolution not to initiate the amendment is very difficult, as it constitutes an exercise of the municipality’s independent competence under Czech law.

Preparation phase and internal coordination

After the municipal council decides to initiate the amendment, the next phase is the preparation and approval of the amendment brief. The brief sets the main objectives and requirements for the solution and serves as instructions to the planner as to what the amendment should look like. Formal errors often arise at this stage, where the brief is too vague or, conversely, predetermines the outcome in a way that prevents proper professional assessment.

A key aspect is internal coordination and a clear allocation of responsibility for the process. This role is performed by the planning authority (the “procurer”), which must be a qualified person meeting the statutory education and practice requirements. Many municipalities underestimate communication between the self-government and the planning authority, which leads to delays. ARROWS, a Prague-based law firm, acts as legal support for municipalities and checks whether the brief contains all statutory requirements under Czech legislation.

Related questions on preparations 

1. What must the amendment brief contain?
The brief must contain the main objectives and requirements for the amendment, requirements for defining areas and corridors, requirements for protecting public interests, and, where applicable, a requirement to prepare solution variants or an assessment of impacts on the sustainable development of the territory (SEA).

2. Who approves the brief?
The brief is approved by the municipal council. Before approval, the draft brief is discussed with affected authorities, neighbouring municipalities, and the regional authority. The public may submit comments at this stage.

3. Can the brief phase be skipped?
Yes. The New Building Act allows a so-called shortened procedure for preparing an amendment. In that case, the decision to initiate the amendment also directly includes the elements of the brief. This eliminates the separate phase of discussing and approving the brief, which speeds up the process but places higher demands on the quality of the initial proposal.

Compliance with higher-level planning documentation

One of the most common reasons why Czech courts annul zoning plans is a conflict with higher-level spatial planning documentation. In the hierarchy under Czech law, the Territorial Development Plan (ÚRP) ranks highest, followed by the Principles of Territorial Development (ZÚR) at the regional level, and finally the Zoning Plan (ÚP) at the municipal level.

If a municipality proposes an amendment that conflicts with the ZÚR, such an amendment is unlawful. For example, development cannot be placed within a corridor of a supra-regional transport infrastructure project designated by the region if the higher-level documentation does not allow it.

ARROWS, a Prague-based law firm, regularly carries out legal compliance audits and flags conflicts. It often happens that a municipality overlooks an update to the ZÚR or interprets the regional documentation too broadly. Compliance is also ensured through a binding opinion of the superior spatial planning authority.

Related questions on conflicts

1. How is a conflict with the Principles of Territorial Development (ZÚR) addressed?
If a municipality wants an amendment that conflicts with the ZÚR, it must first, or in parallel, initiate an amendment to the ZÚR at the regional level. Until the higher-level documentation is amended, the conflicting amendment to the municipality’s zoning plan cannot be approved.

2. What if the regional authority issues an opinion finding a conflict?
The opinion of the regional authority as the superior authority is binding. If it finds a conflict with the ÚRP or the ZÚR, the draft amendment cannot be adopted in that form and the municipality must revise the draft.

3. Are there any exceptions?
No, the hierarchical binding effect is strict. A municipality cannot use its plan to contradict the intentions set out in superior planning documentation; it may only specify them in more detail at the scale of the zoning plan.

Establishing the factual situation and the Unified Environmental Opinion

Insufficient establishment of the factual situation in the territory is among the main reasons why zoning plans are annulled by courts in the Czech Republic. This means that the municipality designated areas without verifying the feasibility of their use in practice—for example, the capacity of a wastewater treatment plant or nature protection limits.

In 2026, the institute of the Unified Environmental Opinion (JES) also plays a key role. JES integrates a number of previously separate opinions into a single administrative act for the purposes of permitting projects.

Czech courts require that a municipality have data to support its decisions. If a municipality claims that infrastructure is sufficient, it must support this with a statement from the network operator or an expert study. The process includes an analysis of the current situation, verification of capacities with network operators, and, where applicable, an environmental assessment.

Risks and sanctions

How ARROWS helps (office@arws.cz)

Annulment of the amendment by the court due to lack of reviewability: The court annuls the amendment because it was not demonstrated that it is feasible in the area (e.g., water supply is missing).

Legal supervision: We ensure a review of whether the reasoning contains references to specific supporting documents and whether those documents are current and complete.

Development blocked: If it turns out that the area is in fact unbuildable due to an overlooked constraint, the municipality faces pressure from owners and the risk of damages claims.

Process due diligence: We identify risk points (e.g., conflicts with agricultural land protection) before approval takes place.

Repeating the process: The need to start again means losing 1–2 years and hundreds of thousands of Czech crowns from the budget.

Strategic advice: We set the timeline and communication with the relevant authorities so that issues are identified in time.

Procedural steps and the public hearing

The new Building Act has significantly strengthened digitalisation, and an amendment to a zoning plan is discussed using the National Geoportal for Spatial Planning (NGÚP) in the Czech Republic. The public hearing on the draft amendment is governed by Section 98 et seq. of the new Building Act (NSZ), and the draft must be published by public notice.

The draft amendment must be made available for inspection for at least 30 days from the date of delivery of the public notice. Within this period, a public hearing is held with the designer’s presentation, where mistakes are often made regarding deadlines and the method of publication.

Czech courts are uncompromising when it comes to informing the public. If a citizen did not have a real opportunity to ознакомиться themselves with the draft—for example due to incomplete documentation on the website—this is a reason for annulment.

Rights of the public

The Building Act distinguishes between comments, which anyone may submit, and objections, which may be submitted only by affected persons. The municipal council must decide on objections, and this decision must be properly reasoned. It is not sufficient to merely state a rejecting position; it is necessary to explain why the public interest prevailed over the owner’s interest.

Reasoning for the amendment

Under Section 100 of the new Building Act (NSZ) and the Czech Administrative Procedure Code, a measure of a general nature—such as an amendment to a zoning plan—must be reasoned. The case law of the Supreme Administrative Court sets high requirements for the reasoning. The document must contain the reasons for the operative part, the supporting documents, considerations on how objections were addressed, and an assessment of compliance with regulations under Czech law.

It is a mistake when a municipality provides only a formal statement of compliance with the law. Properly, it should state why the amendment is necessary, what analyses support it, and how it connects to existing development or infrastructure. The attorneys of ARROWS, a Prague-based law firm, assist municipalities with drafting the reasoning for decisions on objections so that it is legally robust. A proportionality test is carried out, examining whether the interference with rights is reasonable.

Formal preparation and digitalisation

An amendment to a zoning plan must be prepared in accordance with the decree on spatial planning documentation. The new Building Act and implementing regulations require preparation in a standardised format that is machine-readable for NGÚP.

Contact our experts: 

Importantly, the result of the amendment must also be the consolidated wording of the zoning plan after the amendment. The amendment is prepared, discussed, and issued to the extent of the amended parts, but for clarity and legal certainty a “legal state” is created, which includes the original plan and the amendment. A frequent mistake is inconsistency between the textual and graphical parts or the use of an outdated map base. Uncertainty of boundaries on the ground is a legitimate reason for a court in the Czech Republic to annul the plan.

Most common mistakes in practice and how to avoid them

The legal team of ARROWS, a Prague-based law firm, has identified the following recurring mistakes:

  • “Salami-slicing” and circumventing SEA: The municipality attempts to split a major amendment into several small ones to avoid environmental impact assessment. Courts penalise this approach and require a cumulative assessment of related amendments.
  • Omission of relevant authorities: The municipality forgets to approach one of the relevant authorities, such as the public health authority or the mining authority. A missing binding opinion makes the entire amendment unlawful under Czech legislation.
  • Ignoring objections or addressing them only formally: Councillors often rely on the designer and do not read the reasoning for decisions on objections. However, the reasoning must respond to the actual substance of the objections, not merely reject them formally.
  • Failure to comply with publication deadlines: Posting on the official notice board for one day less than required by law, or a non-functioning link on the website, is a common formal error. Even such a mistake can invalidate a process that has taken years.

Judicial review and the five-step algorithm

When reviewing a measure of a general nature, the Supreme Administrative Court follows an established algorithm. The court examines the authority of the body, the body’s competence, compliance with the procedural steps, substantive compliance with the law, and proportionality of the interference. If the amendment fails at any step, the court annuls it. The most frequent breaking point is proportionality—i.e., whether the interference with owners’ rights is proportionate to the pursued public interest.

Related questions on judicial review

1. Who can file a motion to annul the amendment?
A motion may be filed by anyone who claims that the amendment has curtailed their rights. Typically, this is a landowner in the municipality or a representative of the affected public, such as associations.

2. What is the time limit for filing the action?
A motion to annul a measure of a general nature may be filed within 1 year from the date the amendment took effect, under Section 101b(1) of the Code of Administrative Justice.

3. Does the action have suspensive effect?
Not automatically, but the court may grant it upon request. This means suspending the ability to build under the new amendment until the judgment is issued.

Roles and responsibilities of the actors

In the process of amending a zoning plan, each stakeholder has an irreplaceable role. The commissioning authority is responsible for procedural correctness and must have the relevant qualifications. The planner is responsible for the professional urban-planning accuracy and completeness of the documentation, while the designated councillor acts as a liaison between the municipality’s leadership and the experts.

The attorneys of ARROWS, a Prague-based law firm, recommend that the designated councillor remain in regular contact with the municipality’s legal counsel. This applies in particular when addressing and settling objections.

Digitalisation as the 2026 standard

Building Act No. 283/2021 Coll. introduced full digitalisation, and all spatial planning documentation must be uploaded to the National Geoportal for Spatial Planning. For municipalities in the Czech Republic, this means an obligation to ensure outputs in standardised formats, which increases transparency for residents and investors alike.

A further new feature is integration with the Builder’s Portal, where zoning regulations for a specific plot can be verified online. This places significant pressure on data accuracy, as any error in the zoning plan becomes immediately visible.

Conclusion

An amendment to a zoning plan is a process that, in 2026, is digitalised and standardised, yet still full of legal pitfalls under Czech law. Every step—from the assignment, through consultations, to the reasoning—must be carried out carefully; otherwise, there is a risk of judicial review in Czech courts and annulment. The attorneys of ARROWS, a Prague-based law firm, know how to avoid these risks.

The key takeaway is not to underestimate the reasoning and procedural details. High-quality preparation and legal review throughout the process is cheaper than losing a court dispute and having to repeat the amendment.

If you are not sure whether your procedure is correct, contact us at office@arws.cz. We are insured for professional liability with a limit of CZK 400 million and have experience with dozens of municipalities across the Czech Republic.

FAQ – Most common legal questions on a transparent zoning plan amendment

1. How long does the zoning plan amendment process typically take?
The standard process usually takes 12 to 24 months. Using the accelerated procedure under Section 115 of the new Building Act (NSZ), an amendment can be prepared in 6–9 months, provided there are no complications and no variants need to be prepared.

2. Which authorities must approve the amendment?
Affected authorities—such as the fire brigade, public health authority, or heritage authorities—issue their opinions. Crucial is the opinion of the superior spatial planning authority (the Regional Authority), which confirms compliance with Czech law and higher-level planning documentation. Without their favourable or conditional opinions, the amendment cannot be issued.

3. What is the difference between the “standard” and the “accelerated” procedure?
Under the accelerated procedure pursuant to Section 115 NSZ, the separate assignment phase is omitted. The decision to initiate the amendment already contains the requirements of the assignment, and the draft is prepared directly. It is faster, but more suitable for less complex amendments without the need for variants.

4. What happens if the municipality does not uphold owners’ objections?
It must carefully justify this in the decision on objections, which forms part of the reasoning for the zoning plan amendment. If the reasoning is logical, lawful, and proportionate under Czech legislation, the court will uphold it. If it is missing or vague, the court will annul the amendment.

5. What are the most common reasons a court annuls an amendment?
The most common reasons include insufficient reasoning (lack of reviewability), conflict with higher-level documentation (ZÚR), procedural errors during the public hearing, and unlawful interference with property rights.

6. Can a municipality have the process reviewed before the amendment is issued?
Yes, and it is highly recommended. A legal audit of the draft and procedure before the final vote of the municipal council can reveal errors that would later lead to annulment by a court. Contact us at office@arws.cz.

Notice: The information contained in this article is of a general informational nature only and is intended to provide basic guidance on the topic based on the legal situation as of 2026. Although we take the utmost care to ensure accuracy, legal regulations and their interpretation evolve over time. We are ARROWS advokátní kancelář, an entity registered with the Czech Bar Association (our supervisory authority), and for maximum client protection we are insured for professional liability with a limit of CZK 400,000,000. To verify the current wording of regulations and their application to your specific situation, it is necessary to contact ARROWS advokátní kancelář directly (office@arws.cz). We accept no liability for any damages arising from the independent use of the information in this article without prior individual legal consultation.

Read also: