Rent vs D15 -12.5%
Rents below district median
Alpha Apartments's latest 12-month median rent is $4,200 compared with the D15 median of $4,800 for the same period. Use this district check before narrowing by bedroom and area band.
Alpha Apartments rent and sale price
D15 / Katong, Joo Chiat, Amber Road
Address 98 Koon Seng Road Alpha Apartments Singapore 427037
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Quick summary about Alpha Apartments
Alpha Apartments is a freehold apartment in D15 / Katong, Joo Chiat, Amber Road. The page currently tracks 18 rentals and 3 sales.
- Latest 12M median rent is $4,200 per month from 3 rentals. The bedroom and floor-area tables below show the full loaded history.
- Latest 12M median sale price is $2,650,000, with median sale PSF at $1,075 psf from 1 sales.
- Rent is up 45.5% over the last 3 months. Sale PSF is flat over the last 3 months.
Alpha Apartments Market Brief
Compare the project with D15 across rent, sale PSF, tenure and transaction activity.
Compared with D15
Sale PSF vs D15 -53.3%
Sale PSF below district median
Alpha Apartments's latest 12-month median sale PSF is $1,075 psf versus the D15 median of $2,303 psf for the same period. A premium should be explained by tenure, condition, floor, view or scarcity.
Rent support 1.90%
Rent support near district screen
Gross yield is roughly 1.90% versus a D15 screen of 2.10%. Treat this as a first-pass rent support signal before costs, vacancy and financing.
Rent stability 116.3% spread
Rent is uneven
Recent median rents vary a lot, usually because unit mix differs month to month.
Market activity -12.5%
Activity is steady
Recent transaction volume is close to the prior 6-month view.
Tenure lens Freehold
Freehold comparison needed
Freehold matters most on sale price. Compare Alpha Apartments against nearby projects with similar tenure before treating a PSF gap as cheap or expensive.
Before you decide
Latest 12M median rent $4,200
Is the asking rent fair?
$4,000 to $4,400 is the first fair-rent band to check. Above $4,400 should have a visible reason.
Latest 12M median sale PSF $1,075 psf
Is the purchase price fair?
$2,570,000 to $2,730,000 and $1,040 to $1,110 psf are the first sale checks before adjusting for floor, size, view and condition.
3 bed rent $4,200
Are similar units renting for more?
3 bed and 1,100 to 1,200 sqft give the closest unit-size checks.
Rent stability 116.3% spread
Is rent stable here?
Rent is uneven. Recent median rents vary a lot, usually because unit mix differs month to month.
Transaction volume -12.5%
Is activity rising?
Activity is steady. Recent transaction volume is close to the prior 6-month view.
Alpha Apartments Project Facts
Project-level details from URA records and local enrichment.
Tenure Freehold
Property type Apartment, Non-Landed Properties
Sales 3 resale transactions
Total sold value $5.3M
Alpha Apartments Data Coverage
Use this to judge whether the project has enough rent, sale and recent transaction depth for a confident comparison.
Rentals 18 Aug 2021 to Jan 2026
Sale transactions 3 Jul 2021 to May 2026
Rent trend 45.5% Last 3 months
Sale PSF trend 0.0% Last 3 months
Alpha Apartments Location
Nearest transport, schools and daily conveniences around the project.
Project MRT School Amenities
Nearby
Approximate distance from the project. Walking, driving and transit routes may differ.
Closest MRT
EUNOS MRT STATION (EW7) 0.92 km away
MARINE PARADE MRT STATION (TE26) 1.03 km away
MARINE TERRACE MRT STATION (TE27) 1.22 km away
Schools nearby
EIS INTERNATIONAL PRE-SCHOOL (BRANCH 1) 0.84 km away
TANJONG KATONG PRIMARY SCHOOL 0.94 km away
TANJONG KATONG SECONDARY SCHOOL 0.97 km away
CANADIAN INTERNATIONAL SCHOOL (TANJONG KATONG CAMPUS) 1.28 km away
Amenities
SIMS AVENUE PARK CONNECTOR Park / green link · 0.83 km away
MARKET & HAWKER CENTRE (BLK 4A EUNOS CRESCENT) Food centre · 0.95 km away
Alpha Apartments Rent and Sale PSF Trends
Recent rent, sale PSF and contract activity for this project.
Latest median rent $4,000 18 rentals in view
Latest median sale PSF $1,075 psf 3 sales in view
Month Rent contracts Median rent Sale transactions Median sale PSF Median sale
May 2026 0 - 1 $1,075 psf $2,650,000
Jan 2026 2 $4,000 0 - -
Dec 2025 1 $6,400 0 - -
Jan 2025 1 $6,400 0 - -
Nov 2024 1 $4,400 0 - -
Oct 2024 1 $6,600 0 - -
Aug 2024 1 $4,200 0 - -
Jan 2024 2 $3,950 0 - -
Apr 2023 1 $7,500 0 - -
Jan 2023 1 $6,500 0 - -
Oct 2022 1 $3,500 0 - -
Aug 2022 2 $3,750 0 - -
Projects Similar to Alpha Apartments
Same district, ranked by similar rent, sale PSF and transaction depth.
99-year leasehold from 1975 Neptune Court 1.9 km away 523 transactions
- Median rent
- $4,100
- Median sale PSF
- $1,016 psf
- Median rent
- $4,500
- Median sale PSF
- $1,177 psf
- Median rent
- $3,800
- Median sale PSF
- $1,887 psf
- Median rent
- $4,700
- Median sale PSF
- $1,142 psf
- Median rent
- $4,100
- Median sale PSF
- $1,282 psf
- Median rent
- $4,300
- Median sale PSF
- $1,342 psf
Alpha Apartments Rent by Bedrooms
Monthly rent by recorded bedroom count.
Bedrooms Median rent Average rent Transactions
1 bed $3,100 $3,088 4
3 bed $4,200 $4,821 14
Alpha Apartments Rent by Size
Monthly rent by recorded URA floor area band.
Area band Median rent Average rent Transactions
800 to 900 sqft $3,100 $3,088 4
1,100 to 1,200 sqft $4,100 $3,833 6
1,200 to 1,300 sqft $3,500 $3,700 3
2,400 to 2,500 sqft $6,500 $6,680 5
Alpha Apartments Sale PSF by Floor
Median sale price and PSF by recorded floor band.
Floor band Median sale Median PSF Transactions
01 to 05 $1,410,000 $1,077 psf 3
Alpha Apartments Latest Transactions
Most recent URA rentals and sales for this project.
Rentals
Sales
How to use this data
Practical guidance for renters, buyers and sellers. This is not a valuation, it is a starting point for comparing real transactions.
Rent negotiation
If you are renting
Alpha Apartments shows a latest 12-month median monthly rent of $4,200 across 3 rentals. Use that as the first anchor, then check the bedroom and floor-area bands before accepting an asking rent.
Latest 12M median rent $4,200
Rentals in period 3
Rent signal Moderate
- If the asking rent is above the median, look for a clear reason such as larger size, newer condition, furnishings or a better stack.
- If it is below the median, check whether the unit is smaller, older, lower floor or has a shorter lease term.
Offer check
If you are buying
Latest 12M sales at Alpha Apartments show a median price of $2,650,000 and $1,075 psf. Treat those as the first comparable range, then adjust for floor, size, condition and tenure.
Latest 12M median sale $2,650,000
Latest 12M median PSF $1,075 psf
Sale signal Thin
- Compare the unit against the sale by floor table before deciding whether a premium makes sense.
- Freehold should be part of the buying decision, especially when comparing against newer leasehold or nearby freehold projects.
Listing position
If you are selling
For sellers, the cleanest starting point is the project median PSF, then the latest sales and nearby project comps. Alpha Apartments has 3 sales on this page, so pricing should be checked against actual recent contracts before listing.
Sale signal Thin
Total sold value $5.3M
Latest record May 2026
- Use the latest sales table to avoid anchoring to stale prices when the most recent month moved differently.
- If you want to price above recent PSF, the listing needs a visible reason such as renovation, view, layout, floor or scarcity.
Run Alpha Apartments numbers
Start with the project benchmarks, then adjust the calculator assumptions for the unit you are considering.
Rental yield $4,200/mo Test gross and net yield against typical rent. Buy vs rent $2.7M Compare ownership cost against renting. Mortgage $2.7M Estimate monthly payment from the sale price. Stamp duty $1,075 psf Estimate buyer stamp duty before offer math. Purchase timeline Offer steps Map the option fee, exercise date, stamp duty and completion.
District context
Use D15 to compare Alpha Apartments against the wider area.
About this data
How to read the rental and sale figures on this page.
Rental figures come from URA private residential rent data. Rent is shown as monthly rent.
Sale figures come from private residential sale data. PSF and total selling value are shown where the needed fields are available.
Rental floor level is not available from this source, so rental analysis is split by bedroom count and floor area band.
Sale floor band is available for many sale transactions, so sale prices can be grouped by recorded floor band.
Alpha Apartments FAQ
Quick answers for renters, buyers and owners comparing this project.
What is the typical rent at Alpha Apartments?
Alpha Apartments has a latest 12-month median monthly rent of $4,200 across 3 rentals in that period.
What is the typical sale price at Alpha Apartments?
The latest 12-month median sale price for Alpha Apartments is $2,650,000, based on 1 sales in that period.
What is the median sale PSF at Alpha Apartments?
The latest 12-month median sale price per square foot for Alpha Apartments is $1,075 psf. The average for the same period is $1,075 psf.
Is Alpha Apartments freehold or leasehold?
Alpha Apartments is listed as Freehold. Tenure is tied to the project and is most relevant when reviewing sale transactions.
Where is Alpha Apartments located?
Alpha Apartments is located at 98 Koon Seng Road Alpha Apartments Singapore 427037 in D15 / Katong, Joo Chiat, Amber Road.
How current is the Alpha Apartments transaction data?
The project page uses the latest records currently loaded on PropertySmartSG. Treat it as research evidence and check the latest transaction rows before using it for pricing.