A structured reference on what flat owners can and cannot do when renovating an HDB unit — covering permits, materials, noise restrictions, and contractor obligations.
Each article focuses on a specific aspect of HDB renovation regulations, drawing on official HDB guidelines and Building and Construction Authority requirements.
Not all renovation works in an HDB flat are self-approving. This article details which categories of work need prior HDB consent, what documents to prepare, and how the application process works.
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Certain materials, structural modifications, and installation types are outright banned in HDB flats regardless of ownership status. This article lists them with context on why each restriction exists.
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HDB mandates that renovation works be carried out only by registered contractors. This article explains contractor registration categories, resident responsibilities, and what happens when rules are violated.
Read article →An overview of the main categories flat owners encounter when planning renovation works.
Minor works that do not affect structure or essential building systems generally do not need pre-approval, but must still comply with noise restrictions and working hours.
Structural and service-affecting works must be submitted to HDB through an appointed contractor before works commence. Retrospective applications are generally not accepted.
HDB renovation noise restrictions are regulated by the National Environment Agency (NEA). Permitted hours differ for weekdays, Saturdays, and Sundays.
Some alterations are banned outright under HDB regulations and cannot be approved under any circumstances, regardless of the flat type or ownership duration.
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