PropKaki
FreeholdCCRDistrict 9 (River Valley)

St Thomas Mansions

Reviewed by Nathan TangUpdated 20 June 2026Data through Dec 2005 (URA)
Quick Summary

St Thomas Mansions is a freehold apartment in District 9 (River Valley) that obtained TOP in 1986, with 29 units across 1 block. Units have recently transacted around S$1.21M (S$732 psf), from 34 sales on record.

1

What are the key facts about St Thomas Mansions?

Key Takeaway

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
2

What is the price and PSF at St Thomas Mansions?

Key Takeaway

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.

3

What has recently sold at St Thomas Mansions?

Key Takeaway

St Thomas Mansions has 34 recorded sales; the most recent transacted at S$1,038,917 in Dec 2005 (URA caveat data).

DatePriceSize (sqft)PSF
Dec 2005S$1,038,9171,195S$870 psf
Dec 2005S$1,213,6731,658S$732 psf
Dec 2005S$1,213,6731,658S$732 psf
Dec 2005S$1,213,6731,658S$732 psf
Nov 2005S$1,038,9171,195S$870 psf
Nov 2005S$1,038,9171,195S$870 psf
Nov 2005S$2,613,0054,585S$570 psf
Nov 2005S$1,213,6731,658S$732 psf
Nov 2005S$1,213,6731,658S$732 psf
Nov 2005S$1,038,9171,195S$870 psf
Nov 2005S$1,213,6731,658S$732 psf
Nov 2005S$1,213,6731,658S$732 psf

34 sales and 43 rentals on record since Mar 1995. Source: URA.

4

Where is St Thomas Mansions and what's nearby?

Key Takeaway

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.

5

How far is St Thomas Mansions from MRT and schools?

Key Takeaway

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

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

Mall: 111 Somerset · 362 mSupermarket: NTUC Fairprice Co-operative Ltd · 273 mHawker centre: Zion Riverside Food Centre · 767 mPark: Orchard Fountain Corner · 517 m

Straight-line distances from the development. Source: PropKaki amenities data.

6

What does it cost to own a unit at St Thomas Mansions?

Key Takeaway

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

7

Frequently asked questions about St Thomas Mansions

What is the price at St Thomas Mansions?

Units at St Thomas Mansions have recently transacted around S$1.21M (S$732 psf), from 34 sales on record (URA caveat data).

Is St Thomas Mansions freehold or leasehold?

St Thomas Mansions is freehold.

When was St Thomas Mansions built?

St Thomas Mansions obtained TOP in 1986, developed by TG DEVELOPMENT PTE LTD.

What is the rental yield at St Thomas Mansions?

Gross rental yield at St Thomas Mansions is about 1.9%, based on median current rents and prices.

How many units are in St Thomas Mansions?

St Thomas Mansions has 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.

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