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    Educational Information Only

    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

    construction
    serious offence

    Construction Without Permit in Thailand

    Building or modifying structures without obtaining required permits

    Last updated: February 2026
    Legal Sections

    Building Control Act B.E. 2522 (1979) §39-40

    Maximum Penalty

    Fine up to THB 60,000 and/or imprisonment up to 3 months, plus demolition order

    Severity Level

    serious

    Definition

    Building or modifying structures without obtaining required permits Under Thai law, this offence is classified as a serious offence within the category of construction.

    Elements of the Offence

    For a conviction, the prosecution must prove all of the following elements beyond reasonable doubt:

    1

    Constructing a building without a permit

    2

    Modifying structure beyond permitted scope

    3

    Continuing construction after stop-work order

    Penalties

    Maximum Penalty

    Fine up to THB 60,000 and/or imprisonment up to 3 months, plus demolition order

    Actual sentences depend on factors including the severity of the conduct, harm caused, prior convictions, and mitigating circumstances. Courts have discretion to impose lesser sentences within the statutory range.

    Possible Defences

    The following defences may be available depending on the circumstances:

    Emergency repairs for safety

    Minor repairs not requiring permit

    Note: The availability of defences depends on specific facts. Professional legal advice is essential.

    For Foreigners

    Special Considerations for Foreign Nationals

    Foreign-owned buildings on leased land may face demolition orders.

    When Legal Representation Matters

    If you are accused of construction without permit or facing investigation, immediate legal representation is essential to protect your rights and build an effective defence.

    Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.

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