Service guide
How land subdivision in Thailand works at the Land Office: the survey, the new title deeds, the costs, and the checks a lawyer runs before a plot is split.
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Land subdivision in Thailand means splitting one title deed into two or more. The owner applies at the Land Office for the district where the land sits, a government surveyor measures the new boundaries on the ground, and the office issues a separate deed for each new plot. The official service manual for boundary, subdivision and consolidation surveys sets out the procedure and lists a standard processing time of 3 months, on top of a survey queue that varies by office.
Most people who subdivide are landowners, not buyers: a family allocating land among relatives, an owner selling off part of a plot, or a small developer preparing a project. The mechanics are administrative, but the decisions behind them are legal. What title the land carries, what is registered against it, and whether each new plot will have lawful access decide whether the split creates clean, sellable deeds or a problem that surfaces at the next transfer. That is the work a lawyer does before the survey is booked, and where comparing firms pays off.
The title type
A full title deed (Chanote) subdivides cleanly. Lesser documents, such as a Nor Sor 3 Kor, follow the same survey procedure but carry weaker boundary evidence, so the check matters more.
Encumbrances on the deed
A mortgage, registered lease, or servitude over the original plot does not disappear when the land is split. How it attaches to the new plots is resolved before the application, not after.
Access for every new plot
A plot with no road frontage and no registered right of way is hard to sell and hard to build on. The split is planned so each new deed has lawful access.
Servitudes to be registered with the split
Where an inner plot will depend on a driveway or utility line over another, the right can be registered on the deeds at the Land Office so it binds future owners.
Exposure to the land allocation rules
Subdividing to sell many plots can trigger the licensing regime under the Land Allocation Act B.E. 2543, which adds requirements an ordinary subdivision does not have. A lawyer confirms whether the rules apply to the plan before any plot is offered for sale.
Note: Access rights are the check that saves the new plots
The Land Office will register a subdivision that leaves an inner plot landlocked. Nothing in the survey step forces every new plot to touch a road. If a plot you plan to keep or sell will only be reachable across its neighbour, the practical fix is to register the access as a servitude on the deeds when the split is registered, while all the plots still belong to you. Fixing it later means negotiating with whoever owns the land in between.
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The procedure itself is standardized: one application, one survey, new deeds. The steps below follow the official service manual; the calendar time is dominated by the survey queue at the local office, which the manual puts at anywhere from 15 to 200 days depending on workload.
Title review and planning the split
The deed, encumbrances, access, and any allocation-rule exposure are checked, and the boundaries of the new plots are decided. This is the stage where a lawyer earns the fee: everything after it is execution.
Application at the Land Office
The owner, or a lawyer holding a registered power of attorney, files the subdivision application with the original deed at the Land Office for the district where the land sits, and pays the application fees.
The survey on the groundQueue varies by office
A government surveyor measures the new boundaries with the owner present and neighbouring owners invited to confirm the lines. Survey fees depend on the land and the number of new plots.
Registry review and neighbour notice
The office reviews the survey result and notifies adjoining owners. Objections are resolved before the split is approved.
New deeds issued3 months official standard
The office registers the subdivision and issues a separate title deed for each new plot. The official standard for the whole procedure is 3 months, excluding the survey queue.
Registering access and servitudes where needed
Rights of way, utility easements, and any agreed conditions between the new plots are registered on the deeds so they bind future owners.
The Land Office side is modest: application fees of a few baht to a few dozen baht per plot under the official schedule, plus survey fees that depend on the land and the number of new plots. There is no percentage tax on the split itself, because no ownership changes hands. The cost that does scale is the next transaction: when a subdivided plot is sold, the transfer registers at the standard rates in the Department of Lands fee schedule, starting with the 2% transfer registration fee on the appraised value. How a purchase runs from the buyer's side is covered in our property purchase page and the guide to buying property.
Professional fees vary by firm and by scope: reviewing one clean Chanote is a different job from restructuring a family plot with a mortgage, an inner parcel, and a sale planned for next year. If you are on the buying side of a freshly subdivided plot, the same questions run in reverse, and due diligence on the title is where they get answered.
A property lawyer can review the deed, plan the split, coordinate the survey, file the applications, and register the access rights that keep every new plot usable. This page is general information, not legal advice. Procedures and fees change; for a specific plot, speak with a qualified professional.
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International Legal and Cross-Border Business Advisory in Thailand and Asia
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