Valuing a 150 m², 5-bed detached home in Singapore at S$1,776,000

Five bedrooms can look impressive in the headline, but utility matters more than the count. Check room proportions, storage, bathrooms and circulation. A well-planned four-bedroom comparable could be more valuable to some buyers than a compromised five-bedroom layout.
 
Outdoor space also needs a quality adjustment, not just an area entry. Privacy, access from the living spaces and how much of it is practically usable could matter. The same applies to parking: nominal capacity is less helpful than whether the spaces work comfortably.
 
At this stage I would decline to give a percentage adjustment. If 150 m² is floor area, missing land area may be the largest valuation gap; if tenure differs, lease length may be larger still. Either could overwhelm a modest allowance for dated finishes.
 
One further caveat: make sure the formal appraisal addresses the same property interest and area measurements used in your comparison. A polished valuation figure will not resolve mismatched tenure, land and floor-area inputs unless those differences are made explicit.
 
It may help to keep two separate numbers: estimated market value and the maximum price that fits your total ownership budget. Insurance, maintenance, tax and renovation can lower the second number even when they do not justify an identical reduction in the first.
 
Coming back to the completed sale, I would want its sale date, exact tenure, land and floor areas, condition, parking and outdoor space before using it. If several of those remain unknown, present it to the appraiser as a possible comparable rather than your valuation anchor.
 
The detail that changes this for me is the unresolved 150 m² figure. If it refers to floor area rather than the land parcel, dividing S$1,776,000 by it produces S$11,840 per square metre but says very little about whether the home is fairly priced.

Before leaning on that calculation, confirm tenure and both area measurements, then compare layout, condition, parking, outdoor space, micro-location and any shared charges with the completed sale. Ask the appraiser which differences materially affect the result. Until those points are settled, the larger risk is not choosing the wrong adjustment rate; it is building the valuation around unlike properties.
 
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