S$1.4m detached rental at S$4,990/month — what am I missing?

O

orla_research

Property manager
I’m sanity-checking a 4-bed detached home in Singapore at S$1,400,000, with expected rent of S$4,990/month. Twelve months gives the advertised gross yield of roughly 4.3%, but I have used only eleven months of rent in my model. I’ve also allowed for management, routine maintenance and one larger repair reserve.

The building appears sound, although a vacancy or major repair could change the result quickly. Which local cost am I most likely underestimating, and what net yield would make this worthwhile for you?
 
Eleven months produces S$54,890, which is only about 3.9% of the purchase price before any expenses. I would stop using 4.3% anywhere in the decision model—it is a marketing number, not your working yield.

From S$54,890, deduct actual quotes or bills for property tax, insurance, management, maintenance and reletting. Until those are known, any target net yield is guesswork.
 
Is S$4,990 supported by an existing lease or just an expected asking rent? That distinction may matter more than fine-tuning the reserve. Also, are you buying with cash or financing? Loan amount, interest rate and repayment structure could turn an acceptable unlevered result into negative cash flow.
 
For a detached house, I would not base the repair reserve only on what is visible indoors. Roof, exterior surfaces, drainage, garden areas and any installed equipment can create irregular bills. Ask for maintenance history and get the condition broken into likely work over the next few years. One generic “large repair” allowance can conceal bad timing.
 
I’m less convinced that using eleven months every year is the right form of conservatism. The property might remain occupied for several years, then have a longer gap plus reletting and repair costs in one year. Model it over several years with a turnover event rather than smoothing everything into identical annual figures.
 
That is a fair distinction. I’d keep the eleven-month case as a quick base case, then add a downside year where vacancy, tenant turnover and a major repair happen together. A deal this tight should survive the lumpy version, not merely look acceptable after every cost is averaged.
 
The property-tax figure also needs to be specific to this home and the intended use. Don’t estimate it as a casual percentage of the S$1.4m price. Obtain the current assessment and confirm what applies to you, then get an insurance quote based on the actual building rather than a generic allowance.
 
On financing, separate property performance from your personal cash return. First calculate net operating income before debt. Then run the proposed loan through higher-cost and vacancy scenarios. Otherwise leverage can make the percentage on your cash look attractive while leaving almost no monthly buffer.
 
I would not choose an arbitrary net-yield hurdle without comparing it with your alternatives and the work involved. Still, a 4.3% maximum gross yield leaves limited room for errors. My minimum condition would be positive cash flow in the downside case, not just in a fully occupied year with routine maintenance.
 
Tenant turnover may be understated even if one month’s rent is removed. There can also be reletting costs, cleaning, touch-ups and utilities while empty. Clarify who pays for garden care, air-conditioning servicing and other recurring items under the intended lease. Count only costs genuinely passed to the tenant as tenant-paid.
 
Another missing number: is S$1,400,000 the price alone or your total capital committed? Buyer-side transaction taxes and professional fees affect the return on your actual investment even though they are not annual operating expenses. The exact amount can depend on the buyer and transaction, so this needs a current calculation rather than a general estimate.
 
Before getting too deep into yield, confirm exactly what is being purchased: tenure, title, land and building condition, plus whether the purchase and rental assumptions apply to your circumstances. The district and evidence behind S$4,990 matter as well. A rent comparison from a materially different type of home will not rescue the model.
 
I’d turn this into three columns: fully occupied, eleven months occupied, and a turnover year with a longer vacancy plus the major repair. For each, list rent, property tax, insurance, management, maintenance, reletting costs and debt separately.

Next steps: obtain the current tax figure, an insurance quote, management and leasing quotes, maintenance history, an inspection, and evidence for the S$4,990 rent. Then calculate net yield against both the purchase price and total cash committed. If the downside column is uncomfortable, the headline 4.3% is not enough compensation.
 
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