What is an apartment measured survey?
An apartment measured survey is an on-site measurement of a condominium unit. A surveyor records the actual floor area, room dimensions, wall positions, doors, balconies and fixed finishes, and prepares a current-condition drawing. Buyers, owners and investors use this drawing to compare the real unit with the sales contract, the unit plan issued by the developer, or other records.
In Vietnam, condominium area questions come up often, especially in the resale market, during renovation, or when preparing bank financing. A short, accurate survey can prevent costly misunderstandings later.
When do you need one?
- Buying a resale apartment and wanting to check the actual area against the contract.
- The area in your documents differs from what you received at handover.
- Renovating, partitioning rooms, or changing the layout of the unit.
- Applying for a bank loan, a mortgage, or a market value assessment.
- Preparing documents for the pink book or updating property details.
- A dispute about area, balcony boundaries or shared spaces.
Legal principles to keep in mind
The owned area and the used area of an apartment are usually defined by the sales contract, housing regulations and records confirmed by the competent authority. When documents and reality do not match, an independent survey gives you a factual basis for discussion with the developer, the building management board or the land registration office.
Calculation methods and procedures can change over time and differ by locality. Please check the currently effective rules before making a decision that depends on them.
The DAVA process, step by step
A clear process keeps the job efficient and reduces the need to re-measure:
- Initial request: Project name, tower, floor, unit code and the purpose of the drawings.
- Document review: Sales contract, unit plan, ownership documents and typical floor plans if available.
- On-site survey: We measure length, width and height of each room, bathrooms, balconies and loggias, and record the structural positions.
- Data processing: We calculate areas using the methods required for your purpose and prepare the current-condition plan.
- Cross-checking: We compare the results with the contract and unit plan, and explain any differences.
- Handover: You receive the drawings and a measurement report.
- Next-step advice: We help you deal with the developer, your bank or the authority where you file.
Timeline
For a typical apartment, the on-site survey is usually completed in a single working session, depending on the number of rooms and the finishing level. Data processing, drawing preparation and handover need additional working time. If you need results for a bank or a government file, tell us early so we can plan accordingly.
Having the building manager or owner available to open the unit, and clearing the areas to be measured, makes the visit faster.
Documents to prepare
- Sales or lease contract for the apartment.
- Proof of ownership, or the handover minutes.
- Unit plan or typical floor plan provided by the developer.
- Identity documents of the owner or authorised representative, plus a power of attorney if needed.
- Any documents that record the area agreed at purchase.
- Information about any alterations made to the unit.
Costs and what affects them
The cost of an apartment survey depends on the unit size and number of rooms, the number of bathrooms, balconies and loggias, the finishing level and furniture that may block measurements, the type of drawing and number of copies required, and the location. Units that have been altered significantly from the original plan usually take longer to reconcile.
Depending on your property, documents and purpose, please contact DAVA for an accurate quote. The initial consultation is free of charge. For background on general cost factors, you may read our Vietnamese article on land survey costs and influencing factors.
Common situations
The actual area is smaller than the contract
This is one of the most common concerns for buyers. Before negotiating, get an independent drawing and compare it with the contract and the developer's unit plan. A factual basis makes the discussion clearer, although the final outcome still depends on agreements and the rules currently in force.
The unit has been renovated, partitioned or extended
When the current condition differs from the original plan, a current-condition drawing shows exactly what has changed. This is useful when dealing with the building management board, preparing bank documents or valuing the unit for a transaction.
The apartment is used for a bank loan or mortgage
Lenders care about the area and physical condition of the collateral. Clear drawings and a measurement report make the file more transparent. For a quick indication of market value, you can use DAVA's fast property price tool before ordering a formal appraisal.
How DAVA supports foreign companies and expats in Vietnam
DAVA has more than 15 years of experience in valuing real estate, enterprises, and machinery and equipment. Our team includes licensed price appraisers, and we have carried out valuation work for courts, government agencies, banks and businesses. We have offices in Ho Chi Minh City, Hanoi and Da Nang, and we can inspect units in person.
- Licensed price appraisers with a documented working process.
- Experience with the documentation that banks and government counterparts usually ask for.
- On-site inspection, with the physical condition reconciled against legal papers.
- Support for buyers, expats and investors who need both legal clarity and market value information.
- For fast property price estimates, our partner Datngop.com is available.
Frequently asked questions
Does the owner need to be present for the survey?
Usually the owner or an authorised representative should attend to open the unit and confirm its condition. If the unit is rented out, arrange access with the tenant and the building management in advance.
How is a survey different from the area stated by the developer?
The developer's area comes from the project records. An independent survey shows the condition on the day of measurement, which lets you compare the two sources.
Will the measured area always match the area on the certificate?
Not always. Measurement methods and purposes can differ. If there is a gap, we explain the likely causes so you can decide how to proceed.
Can a unit that is still furnished be measured?
Yes, but furniture that blocks walls and openings makes the work take longer. Clear access to the areas to be measured helps.
Can a survey be done for an apartment without a pink book?
A current-condition survey can still be prepared for reference. How the result can be used in a legal procedure should be checked against the rules currently in force in the locality.
Can a survey drawing be used for a bank?
Many lenders look at area and physical condition when they assess collateral. A clear drawing with a measurement report is helpful, but you should confirm the bank's specific requirements.
Conclusion
An apartment measured survey gives you facts before you buy, renovate or borrow against a unit. Understanding what drives cost and timeline helps you plan and negotiate with confidence. DAVA is ready to provide a free initial consultation so you can choose the right approach.
Contact DAVA for an apartment survey consultation:
- Hotline / Zalo: 0945 009 002 · 0906 915 002
- Phone: 028 6674 3333
- Email: voan.sgg@gmail.com
- Zalo OA: https://zalo.me/4259407728989141071
Our team can work with you in English; documents can be prepared bilingually.




