1/500 planning is a commonly used term for detailed planning represented on drawings at a scale of 1/500. It is an important component in the planning and development of many real estate projects, as detailed planning helps concretize spatial organization, land use, technical infrastructure, and construction indicators within the planned area. However, having 1/500 planning does not mean that a project has completed all legal procedures. Businesses and investors need to clearly distinguish planning from procedures relating to investment, land, construction, and real estate business. So, what is 1/500 planning, is it mandatory, what documents are required, and what is the process for its preparation and approval? How does 1/500 planning differ from 1/2000 planning, and what legal issues need to be checked? The following article provides a detailed analysis of the key aspects of 1/500 planning from the perspective of urban planning and real estate project development.
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1/500 detailed planning is a common term used to refer to a detailed planning scheme whose drawings are presented at a scale of 1/500.
Simply put, a 1/500 scale means that 1 unit of measurement on the drawing corresponds to 500 units of measurement in reality. For example, 1 cm on the drawing corresponds to 5 m on the actual site.
However, it is important to note that 1/500 refers to the drawing scale and is not the name of an independent legal procedure.
Detailed planning may specify various elements of the planned area, including:
Under the current legal framework, the preparation, appraisal, approval, and management of urban and rural planning are governed by the Law on Urban and Rural Planning and its implementing regulations. Law No. 47/2024/QH15 took effect on July 1, 2025; subsequently, Law No. 144/2025/QH15 amended and supplemented a number of provisions and took effect on January 1, 2026.
In real estate project development, detailed planning plays an important role because it helps concretize a development plan within a defined area.
The planning may identify areas designated for:
This provides a basis for businesses to assess the development potential of their land bank and determine their product strategy.
Indicators such as building density, building height, floor area ratio, and spatial organization requirements directly affect the project's development plan.
Therefore, when assessing a land bank, businesses need to consider planning indicators rather than focusing solely on the size of the land parcel.
Detailed planning also presents the organization of transportation and relevant technical infrastructure systems.
For urban areas, residential developments, or large-scale projects, this is particularly important when assessing project feasibility.
Approved planning may serve as an important basis for carrying out subsequent steps in accordance with the law.
However, businesses should understand that planning is only one part of the project's overall legal framework.
1/500 and 1/2000 planning are commonly mentioned when businesses study planning for project development.
They can be generally distinguished as follows:
| Criteria | Planning at 1/2000 Scale | Planning at 1/500 Scale |
|---|---|---|
| Level of detail | More general | More detailed |
| Scope | Usually broader | Usually more specific |
| Purpose | Provides spatial organization orientation at a broader scale | Concretizes spatial organization and land-use plans |
| Land use | Provides orientation appropriate to the planning level | More specific to individual areas/land parcels under the planning scheme |
| Infrastructure | Presented according to the relevant orientation and network | Further detailed within the planning area |
However, it should not be mechanically understood that every project must undergo 1/2000 planning before 1/500 planning.
The type of planning required must be determined based on the planning system applicable to the area, the nature of the project, the planning scope, and the applicable laws and regulations.
Therefore, when studying a specific project, it is necessary to consider the entire relevant planning system, rather than looking only at the drawing scale.
Not every real estate project is automatically required to have 1/500 planning.
Whether detailed planning is required depends on the type of planning, location, scope, nature of the project, existing planning system, and applicable legal regulations at the time of implementation.
Therefore, the question “Is 1/500 planning mandatory?” cannot be answered with a single rule applicable to all projects.
When assessing a project, businesses should check:
This is also why businesses should not rely solely on advertising statements such as “the project already has 1/500 planning” to assess the project's overall legal status.
The specific document set depends on the type of planning and the circumstances under which the planning is prepared. The current legal framework is guided by Decree No. 178/2025/ND-CP, as amended and supplemented by Decree No. 34/2026/ND-CP, together with detailed regulations issued by the Ministry of Construction.
In general, planning documentation may include the following main groups:
The planning task sets out the basic requirements for preparing the planning scheme, such as:
The explanatory report presents the basis for preparing the planning scheme, existing conditions, development orientation, and solutions for spatial organization, land use, technical infrastructure, and other relevant matters.
The drawings visually present the contents of the planning scheme at an appropriate scale. In applicable cases, detailed planning may be presented at a 1/500 scale.
This section helps establish management requirements and control the implementation of the planning after approval.
Depending on the circumstances, additional documents may include surveys, existing-condition maps, specialized technical documents, and other materials supporting the preparation and appraisal of the planning scheme.
Note: A fixed list of documents should not be applied to every project. The required documentation must be determined based on the specific type of planning and the regulations applicable at the time the planning is prepared.
The 1/500 planning procedure can generally be visualized as the following sequence:
Determine requirements → Prepare documents → Prepare planning scheme → Collect opinions → Appraisal → Approval → Public disclosure and implementation
However, the specific procedure may vary depending on the circumstances and the competent authority.
First, it is necessary to determine whether the area falls within a case requiring detailed planning, the planning scope, and its consistency with the existing planning system.
The entities responsible for organizing the planning process prepare the planning task, existing-condition data, maps, and other documents required for preparing the planning scheme.
Based on the planning task and collected data, the planning scheme is prepared with contents relating to land use, spatial organization, architecture, transportation, and technical infrastructure.
Depending on the circumstances, opinions on the planning documents may be collected from relevant authorities, organizations, residential communities, and other relevant parties in accordance with the law.
The planning documents are appraised by the competent authority in accordance with the prescribed legal procedures.
The appraisal aims to assess the planning scheme's compliance with planning requirements and other relevant matters.
After the appraisal process is completed and the requirements are satisfied, the planning scheme is submitted to the competent authority for consideration and approval.
The specific approving authority depends on the type and scope of planning and the applicable decentralization framework.
After approval, the planning is publicly disclosed and implemented in accordance with regulations.
Under the current legal framework, approved planning contents must be publicly disclosed within the statutory period, except for information classified as state secrets.
The competent authority cannot be determined solely based on the term “1/500.”
The competent authority depends on:
Therefore, when implementing a specific project, businesses need to identify all three stages:
Planning authority → Appraisal authority → Approving authority
Correctly identifying the competent authority from the outset helps minimize the risk of having to revise documents or repeat procedures.
The legal status of 1/500 planning is an issue that businesses and real estate buyers need to pay particular attention to.
The most important point is:
Having 1/500 planning does not mean that the project has completed all legal procedures.
Planning is only one component of the project's legal framework.
Depending on the project, a business may still have to complete procedures relating to:
Therefore, when assessing a project's legal status, one should not ask only:
“Does the project have 1/500 planning?”
Instead, the broader question should be:
“What stage of the legal process is the project currently at, and what procedures remain to be completed?”
Not necessarily.
Approved planning is only one of the bases for project implementation. Construction also depends on other procedures and conditions under construction, land, investment, and other relevant laws.
Therefore:
Having 1/500 planning ≠ being immediately authorized to construct.
Businesses need to review all legal conditions applicable to the construction works and the project before commencing construction.
1/500 planning alone cannot be used to conclude that land lots are legally eligible for sale.
The ability to put real estate products on the market depends on the type of product, the project's legal status, and the applicable legal conditions for conducting real estate business.
Therefore, buyers should not rely solely on the statement:
“The project already has 1/500 planning”
to conclude that the product is legally eligible for transaction.
Additional legal documents and business conditions applicable to the specific type of product must be reviewed.
It may be adjusted in cases permitted by law.
Depending on the nature and extent of the changes, an adjustment may involve:
Businesses should not arbitrarily change important contents of approved planning without first determining the legal requirements applicable to the adjustment.
In particular, changes relating to land-use structure, transportation, construction indicators, or spatial organization may significantly affect the project's development plan.
When reviewing a project, one should not look only at planning images or drawings.
At a minimum, the following groups of information should be checked:
Check:
Compare the boundaries shown in the planning documents with the actual land area.
Determine the area and function of each type of land.
Check indicators such as:
Check:
Review the following systems:
The detailed planning must be reviewed in relation to the broader relevant planning system.
This is a particularly important step.
Planning is only one part of the project's legal status. Businesses and investors should also review documents relating to investment, land, construction, and business eligibility.
The drawings should be reviewed together with the approval decision and related documents.
This is a common mistake.
Approved planning does not mean that the project has completed all procedures relating to land, investment, construction, and real estate business.
If the planning has been adjusted, relying on outdated documents may lead to an inaccurate assessment of the project.
A project may also include transportation land, green space, public facilities, and technical infrastructure.
Therefore, residential land area does not always accurately reflect the development potential of the entire land bank.
The actual boundaries, area, and site conditions should be checked to identify inconsistencies between the documents and the physical site.
No.
1/500 planning is only one link in the project development process.
The overall process can be illustrated as:
Land bank research → Investment → Land → Planning → Design → Construction → Sales/Business → Handover
Depending on the project, the sequence and required procedures may vary.
The important point is that businesses must determine where the planning stage sits within the project's overall legal roadmap.
1/500 planning is a common term for detailed planning represented by drawings at a 1/500 scale. It helps concretize spatial organization, land use, infrastructure, and development indicators within the planning area.
Not every project is automatically required to prepare detailed planning at a 1/500 scale. The applicable type of planning must be determined based on the project type, location, existing planning system, and applicable legal regulations.
In general, the process may include determining requirements, preparing documents, preparing the planning scheme, collecting opinions, appraisal, approval, public disclosure, and implementation. The specific procedure depends on each case.
Planning presented at a 1/500 scale provides a higher level of detail, while 1/2000 planning generally covers a broader area. However, it should not be understood that every project must go through a 1/2000 planning process before proceeding to 1/500 planning.
No. Planning is only one part of the project's overall legal framework. Additional procedures relating to investment, land, construction, environment, and real estate business must be reviewed depending on the specific case.
This cannot be concluded based solely on 1/500 planning. The conditions for putting the product on the market and other legal requirements applicable to the specific project and product must also be reviewed.
Yes, it may be adjusted in cases permitted by law, provided that the applicable documents, procedures, and competent authority requirements are properly followed.
1/500 planning is an important component in concretizing plans for spatial organization, land use, and infrastructure within an area or project.
For real estate businesses, studying 1/500 detailed planning helps provide a clearer assessment of land development potential, product structure, construction indicators, and project implementation plans.
However, it is particularly important to remember:
1/500 planning does not mean that the project has completed its entire legal process.
When assessing a project, planning, investment, land, construction, and business eligibility should be reviewed together to accurately determine the project's current stage and identify the procedures that remain to be completed.
The legal framework governing urban and rural planning has undergone significant changes from 2025 to 2026. Therefore, when applying these regulations to a specific project, businesses should cross-check the relevant legislation that is in force at the time of implementation.