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    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.

    Building Violation
    moderate offence

    Construction Without Permit in Thailand

    Constructing, modifying, or demolishing a building without obtaining the required permit from local authorities.

    Last updated: February 2026
    Legal Sections

    Building Control Act Section 21, 65-67

    Maximum Penalty

    Fine up to THB 60,000; imprisonment up to 3 months; mandatory demolition order

    Severity Level

    moderate

    Definition

    Constructing, modifying, or demolishing a building without obtaining the required permit from local authorities. Under Thai law, this offence is classified as a moderate offence within the category of Building Violation.

    Elements of the Offence

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

    1

    Construction, modification, or demolition

    2

    Of a building or structure

    3

    Without valid building permit

    4

    In area where permits required

    Penalties

    Maximum Penalty

    Fine up to THB 60,000; imprisonment up to 3 months; mandatory 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:

    Minor repairs not requiring permit

    Emergency repairs for safety

    Permit application pending (limited)

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

    For Foreigners

    Special Considerations for Foreign Nationals

    Foreign developers face same penalties. May affect future permit applications. Demolition order applies regardless of investment.

    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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