5-Room vs 4-Room HDB Prices 2026: Extra Room Costs $37,844 in Toa Payoh, $623,500 in Central Area

Expert takeaway: In 2026 the extra room in a 5-room HDB flat costs anything from $37,844 in Toa Payoh to $623,500 in Central Area, so the 5-room vs 4-room HDB decision is really a town decision. In the towns where the premium is small, the 5-room is often the better long-term buy; where it is wide, a well-chosen 4-room usually wins.

Most families weighing a 4-room against a 5-room HDB resale flat think in terms of one extra bedroom and roughly 20% more money. PropertyNet's town-by-town medians show that rule of thumb fails in both directions. Below we set out the price gap in 25 towns, what it means for your monthly loan and income, how grants and stamp duty widen it, and when paying up for the 5-room makes sense.

5-Room vs 4-Room HDB Prices by Town: What the Extra Room Costs in 2026

The median 5-room costs between $37,844 and $623,500 more than the median 4-room in the same town, according to PropertyNet analysis of HDB resale registrations (data.gov.sg), Nov 2025 to Oct 2026. The full series, refreshed monthly, sits on the latest HDB resale prices by town page, and the underlying transactions come from the HDB resale prices dataset on data.gov.sg. All figures are medians, with the number of deals in brackets, sorted from the smallest gap to the widest.

Five of the 25 towns show a premium under $100,000, and four show one above $300,000. As a share of the 4-room median, the extra room costs 3.8% in Toa Payoh, 22.2% in Tampines, 58.7% in Ang Mo Kio and 72.8% in Central Area. For the 4-room side of this picture town by town, see our guide to the cheapest towns for a 4-room HDB flat.

Why the 5-Room Premium Is Small in Some Towns and Wide in Others

The gap is small where the 4-room deals skew towards pricier stock and wide where the 5-room deals do, and the per-square-foot columns show it. In each of the four towns with the smallest gaps, the 4-room median psf sits above the 5-room median psf: in Toa Payoh it is $1,024 against $770, about 33% higher. A 4-room median of $1,000,000 in Toa Payoh tells you the 4-room transactions there include a large share of high-value flats, while the 5-room deals trade at a much lower rate per square foot, so the extra space comes cheaply.

The pattern reverses at the other end. In each of the four towns with gaps above $300,000, the 5-room median psf is higher than the 4-room: $784 against $608 in Ang Mo Kio (28.9% higher) and $1,285 against $922 in Central Area (39.4% higher). There the 5-room flats that change hands are a more expensive slice of the town's stock, so you are paying for a different kind of flat, not just one more room. Across the table, 11 of the 25 towns show a higher median psf for the 5-room than the 4-room.

Sample size matters too. Central Area recorded 25 five-room deals and Marine Parade 29 over the 12 months, against 538 in Tampines and 551 in Sengkang. A median built on a few dozen deals can move sharply when a handful of flats trade, so treat the widest gaps as indicative and price the specific block you want.

The Monthly Loan Difference Between a 4-Room and 5-Room HDB Flat

At the 4% floor rate over 25 years with a 75% loan, the extra room adds $150 a month in Toa Payoh, $584 in Tampines, $1,447 in Ang Mo Kio and $2,468 in Central Area. We use 25 years because an HDB loan runs 25 years at most, and under the MAS loan tenure and LTV limits a bank loan on an HDB flat beyond 25 years is capped at 55% LTV instead of 75%.

These are stress-test figures: HDB lends at 2.6% a year (0.1% above the 2.5% CPF Ordinary Account rate) and assesses its own loan at a 3.0% floor, so actual HDB loan instalments are lower. The 4% floor is the rate banks use for the affordability test, and it is the safer number to plan around. To run your own price, income and tenure, use our HDB and condo affordability calculator.

MSR Headroom and the $16,000 Income Ceiling

The Mortgage Servicing Ratio caps instalments on any loan for an HDB flat at 30% of gross monthly income, under the MAS MSR and TDSR rules, and the 55% TDSR applies on top. Dividing the rounded instalments above by 30% gives the household income needed with no other debts:

• Toa Payoh: $13,197 for the 4-room, $13,697 for the 5-room.
• Tampines: $8,777 for the 4-room, $10,723 for the 5-room.
• Ang Mo Kio: $8,213 for the 4-room, $13,037 for the 5-room.
• Central Area: $11,303 for the 4-room, $19,530 for the 5-room.

The Central Area 5-room is the one that breaks the HDB loan. HDB's household income ceiling for families taking its housing loan has been $16,000 a month since 24 Aug 2026, so a household earning $19,530 would need a bank loan, still capped at 75% LTV for 25 years and still subject to the 30% MSR. HDB also shortens the loan tenure to the shortest of 25 years, 65 minus the buyers' average age and the remaining lease minus 20 years, and pro-rates the 75% down when the lease does not cover the youngest buyer to age 95, so older flats and older buyers face smaller loans.

Grants and Stamp Duty Make the Step Up Bigger for First-Timers

First-timer citizen couples get $30,000 less in CPF Housing Grant (Family) for a 5-room: $80,000 for a 2- to 4-room resale flat against $50,000 for a 5-room or bigger, provided household income is within $16,000 and the remaining lease exceeds 20 years. For a citizen with a PR spouse the amounts are $70,000 and $40,000, the same $30,000 difference. So in Toa Payoh the effective cost of the extra room for a first-timer couple is $67,844, not $37,844. Families with average monthly household income up to $9,000 may also qualify for the Enhanced CPF Housing Grant of up to $120,000, and the Proximity Housing Grant adds $30,000 to live with parents or a child, or $20,000 to live within 4km of them.

Buyer's Stamp Duty widens the gap further because it is charged on the price. Using the IRAS residential BSD bands, here is the working for Tampines:

The 5-room in Tampines costs $4,425 more in BSD, payable within 14 days of exercising the option and reimbursable from CPF OA. Add the $36,875 larger 25% downpayment on the $147,500 gap and the $30,000 smaller grant, and a first-timer couple stepping up from a Tampines 4-room to a 5-room needs considerably more than the headline gap suggests.

When a 5-Room HDB Flat Is the Smarter Long-Term Buy

A 5-room is usually the better long-term buy in towns where its premium is under about $100,000 and the household expects to stay well past the 5-year MOP. In Toa Payoh, Sembawang, Kallang/Whampoa and Sengkang, the extra space costs between $150 and about $237 a month on our 25-year stress test. That is a modest price for a room that can become a study, a nursery or a space for an ageing parent.

Opportunities

• Cheap space in small-gap towns: where the 5-room median psf is below the 4-room, you are buying extra floor area at a lower rate per square foot.
• Deep buyer pools: Sengkang (551 deals), Tampines (538) and Woodlands (498) recorded hundreds of 5-room resales in 12 months, which suggests a liquid exit market.
• Rental flexibility after MOP: a Standard flat can be rented out whole only after its 5-year MOP, counted from legal completion for a resale flat, with time the whole flat is rented out not counting, per HDB's eligibility rules for renting out a flat; Plus and Prime flats carry 10 years and Fresh Start flats 20. Test what a larger flat would fetch with our CheckMyRent tool before assuming a rental premium.

Risks

• Wide-gap towns: in Ang Mo Kio the 5-room adds $1,447 a month at the floor rate; a central or newer 4-room may give better value per dollar. Our Ang Mo Kio 5-room right-sizing case study shows how the same flat looks from the seller's side.
• Thin data: medians from 25 to 29 deals in Central Area and Marine Parade can swing widely.
• A bigger resale levy later: if the flat counts as subsidised (bought new from HDB or resale with a CPF housing grant) and you later buy another subsidised flat or a new EC from a developer, the levy follows the flat you sold: $40,000 for a 4-room, $45,000 for a 5-room.
• Crossing into condo budgets: a $1,480,000 Central Area 5-room approaches 2026 new launch 1- and 2-bedroom prices; compare options in our new launch condo reviews before committing.

The right choice between a 4-room and a 5-room depends on your town, your income headroom, your grant eligibility and how long you plan to stay, and the medians above are only the starting point for a specific block and lease. If you would like a second opinion on a particular flat, or want the monthly loan, grant and stamp duty numbers worked out for your own household, reach out to PropertyNet.SG for independent, personalised advice.