St Thomas Mansions
St Thomas Mansions is a freehold apartment in District 9 (River Valley) that obtained TOP in 1986, with 29 units across 1 block. Across 34 transactions on record, units have recently transacted around S$1.21M (S$732 psf, ~1,658 sqft).
What are the key facts about St Thomas Mansions?
St Thomas Mansions is a freehold apartment in District 9 (River Valley) that obtained TOP in 1986, with 29 units across 1 block.
- Tenure
- Freehold
- TOP / Completion
- 1986
- Developer
- TG DEVELOPMENT PTE LTD
- Total units
- 29
- Blocks
- 1
- District / Area
- District 9 (River Valley)
- Market segment
- CCR
- Median PSF
- S$732 psf
- Last transacted
- Dec 2005
- Remaining lease
- Freehold
What is the price and PSF at St Thomas Mansions?
Units have recently transacted around S$1.21M (S$732 psf), at a gross rental yield of about 1.9% (URA caveat data).
Recent median price
S$1.21M
recent · 34 sales on record
Median PSF
S$732 psf
recent transactions
Median rent (monthly)
S$1,900
43 rentals on record
Gross rental yield
1.9%
indicative, gross
Source: URA caveat data, through Dec 2005.
What has recently sold at St Thomas Mansions?
St Thomas Mansions has 34 recorded sales; the most recent transacted at S$1,038,917 in Dec 2005 (URA caveat data).
| Date | Price | Size (sqft) | PSF |
|---|---|---|---|
| Dec 2005 | S$1,038,917 | 1,195 | S$870 psf |
| Dec 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Dec 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Dec 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Nov 2005 | S$1,038,917 | 1,195 | S$870 psf |
| Nov 2005 | S$1,038,917 | 1,195 | S$870 psf |
| Nov 2005 | S$2,613,005 | 4,585 | S$570 psf |
| Nov 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Nov 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Nov 2005 | S$1,038,917 | 1,195 | S$870 psf |
| Nov 2005 | S$1,213,673 | 1,658 | S$732 psf |
| Nov 2005 | S$1,213,673 | 1,658 | S$732 psf |
34 sales and 43 rentals on record since Mar 1995. Source: URA.
Are prices at St Thomas Mansions rising?
The median transacted PSF at St Thomas Mansions has risen 4% over the past 10 years (1995–2005), from S$705 psf to S$732 psf (URA caveats).
| Year | Median PSF | Median price | Sales | YoY |
|---|---|---|---|---|
| 2005 | S$732 psf | S$1.21M | 21 | -6.6% |
| 1996 | S$784 psf | S$1.30M | 2 | +11.2% |
| 1995 | S$705 psf | S$1.02M | 5 | — |
Yearly median transacted PSF and price; years with at least 2 recorded sales. Source: URA caveat data.
How many property agents are active around St Thomas Mansions?
8,303 CEA-registered agents closed at least one recorded deal in District 9 — where St Thomas Mansions sits — in the last 12 months, across all property types.
Active agents · 12mo
8,303
District 9 · closed ≥1 deal
Deals on record
67,358
all-time · all property types
Source: CEA public transaction records, attributed to District 9across HDB, condo and landed (agent activity isn't published at project level). Browse the agent directory or compare every market segment.
Where is St Thomas Mansions and what's nearby?
St Thomas Mansions is located in River Valley, in the Central Region of Singapore.
St Thomas Mansions is a freehold apartment completed in 1986. It was developed by TG DEVELOPMENT PTE LTD. The development has 29 residential units. It sits on a land area of 2,706 sqm and has a gross floor area of 7,578 sqm. The plot ratio is 2.8.
ST THOMAS MANSIONS is located at 22 St. Thomas Walk, Singapore 238107. It is part of District 09, Orchard / Cairnhill / River Valley, River Valley. The project falls within the Central Region and the CCR market segment.
The nearest rail connection is Great World MRT, approximately 447m away, around 7 minutes on foot. Nearby amenities include 111 Somerset for shopping, NTUC Fairprice Co-operative Ltd for groceries, Zion Riverside Food Centre for food options, and Orchard Fountain Corner for greenery and recreation.
Who built St Thomas Mansions and how big is the development?
St Thomas Mansions was developed by TG DEVELOPMENT PTE LTD, with 29 units over up to 29 storeys.
- Developer
- TG DEVELOPMENT PTE LTD
- Floors
- 29 storeys
- Blocks
- 1
- Land area
- 2,706 sqm (29,127 sqft)
- Gross floor area
- 7,578 sqm (81,569 sqft)
- Plot ratio
- 2.80
How far is St Thomas Mansions from MRT and schools?
The nearest MRT/LRT to St Thomas Mansions is Great World MRT, about 447 m away (~7 min walk). 1 school is within 1 km, including 1 primary school.
Getting around
- Great World MRT447 m · ~7 min
- Somerset MRT477 m · ~7 min
Schools nearby
Homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- River Valley Primary SchoolPrimary schoolwithin 1 km · P1 priority332 m
- St. Margaret's School (Primary)Primary school1.3 km
- School Of The Arts, SingaporeMixed-level school1.4 km
- Alexandra Primary SchoolPrimary school1.5 km
- Anglo-Chinese School (Junior)Primary school1.5 km
- Gan Eng Seng SchoolSecondary school1.6 km
- Zhangde Primary SchoolPrimary school1.8 km
Shops, food & parks
Straight-line distances from the development. Source: PropKaki amenities data.
What does it cost to own a unit at St Thomas Mansions?
Buying a unit at St Thomas Mansions (~S$1.21M) needs about S$8,884/mo in income and S$4,087/mo in repayments, after S$33,147 stamp duty and a S$303k downpayment.
Illustrative, for a Singapore Citizen buying a unit at the recent median price (S$1.21M) as their first home — 25% down, 30-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$33,147
BSD, tiered
Downpayment (25%)
S$303k
cash + CPF
Monthly instalment
S$4,087/mo
30y @ 3.5%
Income required
S$8,884/mo
TDSR @ stress rate
Weighing it up as an investment? Gauge the odds with the profitability model, or read how to tell if a condo is profitable →
Thinking about St Thomas Mansions? Ask before you commit.
A fair-value read, recent comps and what a unit really costs — from St Thomas Mansions's own transactions.
PropKakiRecent units at St Thomas Mansions sold close to their fair value — solid, no obvious overpay.
Frequently asked questions about St Thomas Mansions
How much does a unit at St Thomas Mansions cost?⌄
Units at St Thomas Mansions have recently transacted around S$1.21M (S$732 psf), from 34 sales on record (URA caveats). The exact price depends on size, floor and facing.
How much do I need to earn to buy at St Thomas Mansions?⌄
For a unit around S$1.21M as a first home, you'd need roughly S$8,884/mo in income (assessed at the stress-test rate), with repayments near S$4,087/mo after a S$303k (25%) downpayment and S$33,147 Buyer's Stamp Duty.
Is St Thomas Mansions a good investment?⌄
Gross rental yield is about 1.9%; median PSF has risen about 4% since 1995. Whether it suits you depends on your budget, holding period and the unit's size, floor and facing — all summarised on this page from URA data.
Are prices at St Thomas Mansions going up?⌄
The median transacted PSF at St Thomas Mansions has risen about 4% between 1995 and 2005, based on URA caveats. Year-by-year figures are in the price-trend table above.
Is St Thomas Mansions freehold or leasehold?⌄
St Thomas Mansions is freehold — ownership does not expire.
When was St Thomas Mansions built and who developed it?⌄
St Thomas Mansions obtained TOP in 1986, developed by TG DEVELOPMENT PTE LTD, with 29 units across 1 block.
What is the nearest MRT to St Thomas Mansions?⌄
The nearest MRT/LRT station to St Thomas Mansions is Great World MRT, about 447 m away (~7 min walk).
Which primary schools are within 1 km of St Thomas Mansions?⌄
River Valley Primary School is within 1 km of St Thomas Mansions — homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.