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Can the size of a detached house on Valley Road increase between the year of purchase and the year of sale?
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Yes, the built-up size (Gross Floor Area or GFA) of a detached house in Singapore can increase between purchase and sale through permitted renovations, additions, or redevelopments, subject to URA and building regulations.
Key points:
- Owners can modify landed properties like detached houses for expansions (e.g., adding storeys, extensions, or pools), but must obtain approvals from URA for major changes and comply with zoning rules like setbacks, height controls, and maximum site coverage (40% in GCBA areas, 50% outside).
- Land plot size remains fixed (minimum 400m² outside GCBA, 1,400m² inside), but built-up area can grow within envelope guidelines for 2- or 3-storey homes.
- Examples include redeveloping existing structures to larger bungalows or semi-Ds, as long as it fits Landed Housing Areas Plan limits on density and height.
- Always consult an architect and URA before works; stricter rules apply in GCB zones.
- Owners can modify landed properties like detached houses for expansions (e.g., adding storeys, extensions, or pools), but must obtain approvals from URA for major changes and comply with zoning rules like setbacks, height controls, and maximum site coverage (40% in GCBA areas, 50% outside).
- Land plot size remains fixed (minimum 400m² outside GCBA, 1,400m² inside), but built-up area can grow within envelope guidelines for 2- or 3-storey homes.
- Examples include redeveloping existing structures to larger bungalows or semi-Ds, as long as it fits Landed Housing Areas Plan limits on density and height.
- Always consult an architect and URA before works; stricter rules apply in GCB zones.
Check EdgeProp Singapore for transaction records showing size/price changes over time on Valley Road or similar areas.
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