Renovation & maintenance · Landed
By Winfred Quek, Associate Marketing Consultant · CEA R073319H · Crestbrick Pte Ltd (L31010886H) · Published 13 July 2026
Facts verified: 13 July 2026 · Approval requirements are set by URA and BCA and subject to change · Sources attributed below
Landed property is the one segment of Singapore's housing stock where the owner genuinely controls the physical structure, within limits, rather than living inside a shell built and maintained by a developer or HDB. That freedom comes with a regulatory process that condo and HDB owners rarely encounter, because a landed renovation is not just an interior fit out, it is a construction project that touches land use planning and building safety at the same time. Clients considering anything beyond a cosmetic refresh are often surprised by how many parties are involved before the first brick moves.
Two authorities, two different questions
The starting point for understanding this process is recognising that URA and BCA are answering different questions. URA, the Urban Redevelopment Authority, is Singapore's national land use planning authority. When it reviews a landed renovation proposal, it is asking whether the building's form, footprint, height and position on the plot comply with planning guidelines, including setback lines from the road and neighbouring plots, maximum height limits, and site coverage ratios that govern how much of the land the built structure can occupy.
BCA, the Building and Construction Authority, is asking a different question entirely: is this structure safe to build and safe to occupy. BCA's role under the Building Control Act covers structural engineering soundness, fire safety, and compliance with the building code. Where URA is concerned with whether you are allowed to build something at that scale in that location, BCA is concerned with whether what gets built will stand up and function safely.
What typically triggers each approval
| Type of work | URA planning permission | BCA structural or building plan approval |
|---|---|---|
| Internal, non structural renovation | Generally not required | Check with a qualified person |
| Addition and alteration, extension | Generally required | Generally required |
| Additional storey or roof form change | Required | Required |
| Full demolition and rebuild | Required | Required |
This table is a general guide to typical practice, not a determination for your specific project. Requirements depend on the exact scope of works and current guidelines; confirm with URA, BCA and your appointed qualified person before starting.
The typical sequence: planning first, structural second
For projects that require both approvals, planning permission from URA is typically sought first, since it establishes whether the proposed form and footprint are acceptable at all before detailed structural and building plans are developed and submitted to BCA. Submitting structural plans before planning permission is secured risks having to redesign if the form is not approved as proposed, which is why an experienced architect will usually sequence the submissions this way rather than trying to run them in parallel.
Both submissions are almost always handled by a qualified person, typically a registered architect or professional engineer, engaged by the homeowner. This is not merely a convenience, it reflects that the submissions require technical documentation, drawings and calculations that go beyond what a homeowner can typically prepare or submit directly.
How this differs from condo and HDB renovation approval
It is worth being explicit about how landed renovation approval differs from what condo and HDB owners navigate, since the terminology sometimes gets conflated. A condo owner's renovation is primarily governed by the development's Management Corporation Strata Title council, which approves works against the building's bylaws and house rules, a process I cover separately in my condo renovation approval guide. An HDB owner's renovation is governed by HDB's own permit system for flat renovations. Landed property, by contrast, sits outside both of those frameworks and answers directly to URA and BCA as the national planning and building authorities, because there is no strata corporation or HDB landlord relationship standing between the owner and the state.
Why unauthorised works are a real risk, not just a technicality
Practical steps before you start
- Engage a qualified person early. An architect or engineer familiar with landed renovations in your specific planning area can flag setback, height and site coverage constraints before you fall in love with a design that will not be approved.
- Confirm the scope that triggers each approval. Not every renovation needs the full process; internal work often does not, but any change to footprint, height or external form usually does.
- Sequence planning before structural. Let URA planning permission, where required, come first so structural plans are not built around a form that gets rejected.
- Keep documentation. Approved plans and permits matter for future resale, insurance, and any subsequent renovation you or a future owner undertakes.
Frequently asked questions
Do I need URA approval to renovate my landed house?
It depends on the scope. Purely internal, non structural renovations generally do not require URA planning permission. Anything that changes the building's footprint, height, or external form, such as an extension, an additional storey, or a full rebuild, generally requires URA planning permission before you can proceed to detailed structural plans with BCA. Always check the specific scope of your works against current requirements before starting.
What is the difference between URA and BCA's roles in landed renovation?
URA is the planning authority and is concerned with land use, building form, setback lines, height limits and how the addition fits the surrounding streetscape. BCA is the building authority and is concerned with structural safety, compliance with the Building Control Act, and whether the physical construction meets engineering and safety standards. In practice, planning permission from URA is typically needed before structural and building plans can be approved by BCA, so the two approvals usually happen in sequence, not in parallel.
How long does landed renovation approval typically take?
Timelines vary significantly based on project complexity, whether the proposal complies straightforwardly with existing guidelines, and whether any resubmission is needed after initial feedback. A simple addition and alteration with a qualified architect handling submissions moves faster than a full rebuild or a project that pushes against setback or height guidelines and needs negotiation. Always ask your appointed qualified person for a realistic timeline for your specific project rather than assuming a fixed duration.
Can I start construction before getting all approvals?
No. Structural and major addition and alteration works on a landed property in Singapore require the relevant approvals, typically URA planning permission where applicable and BCA structural or building plan approval, before construction begins. Starting work without approval risks enforcement action, orders to reinstate the property, and complications when you eventually try to sell, since unauthorised works can surface during the buyer's due diligence or valuation.
Buying or renovating a landed home?
Whether you are checking a property for unauthorised works before you buy, or planning your own addition and alteration, getting the approval sequence right protects both your budget and your future resale value. A Property Portfolio Analysis looks at the property alongside your broader plans.
Book a free analysis callSources & references
Winfred Quek is Associate Marketing Consultant at Crestbrick Pte Ltd, advising Singapore upgraders, investors and families. CEA R073319H. The information on this page is general and does not constitute financial, investment or mortgage advice. URA and BCA approval requirements, permit categories and timelines are set by the respective authorities and can change; always verify current requirements with URA and BCA, and engage a qualified architect or engineer, before starting any renovation. Conduct your own due diligence and seek qualified advice before any purchase or construction.