The Sierra
The Sierra is a 999-year apartment in District 10 (Bukit Timah) that obtained TOP in 1998, with 60 units across 1 block. Across 130 transactions on record, units have recently transacted around S$1.72M (S$1,766 psf, ~1,033 sqft). There are 10 units for sale from S$1.98M to S$4.49M. The lease has approximately 910 years remaining.
| Tenure | 999-year leasehold from 1937 (≈910 years left) |
|---|---|
| TOP year | 1998 |
| Developer | KOHS BROTHERS DEVELOPMENT PTE LTD |
| Units | 60 in 1 block |
| District and area | District 10 · Bukit Timah · CCR |
| Nearest MRT | Dover MRT, 767 m (~12 min walk) |
| Latest median psf | S$1,766 psf, last 12 URA caveats to Sep 2025 |
What's for sale and for rent at The Sierra?
The Sierra has 10 units listed for sale, asking S$1.98M to S$4.49M (median S$1,544 psf), and 6 units for rent at a median of S$4,400 a month.
For sale
10 listings
S$1.98M – S$4.49M
For rent
6 listings
S$4,200 – S$4,500 a month
| Bedrooms | For sale | Asking price | Median PSF |
|---|---|---|---|
| 2-bedroom | 5 | S$1.98M–S$1.98M | S$2,020 psf |
| 3-bedroom | 1 | S$1.99M–S$1.99M | — |
| 5-bedroom | 4 | S$4.49M–S$4.49M | S$1,544 psf |
Asking prices of units currently listed on property portals, not transacted prices.
What are the floor plans and unit sizes at The Sierra?
Floor plans for The Sierra aren't in PropKaki's library yet. Across 130 URA caveats, units range from 635 sqft to 3,014 sqft, and the middle half are 667 sqft to 1,033 sqft.
| Unit type | Sizes listed for sale | Asking from |
|---|---|---|
| 2-bedroom | 980 sqft to 1,076 sqft | S$1.98M · S$2,020 psf |
| 3-bedroom | 980 sqft | S$1.99M |
| 5-bedroom | 2,906 sqft | S$4.49M · S$1,544 psf |
Check the Floor Plan Finder for The Sierra →
Unit sizes from URA caveats. Listed sizes from current property listings.
What is the price and PSF at The Sierra?
Units have recently transacted around S$1.72M (S$1,766 psf), at a gross rental yield of about 1.8% (URA caveat data).
Recent median price
S$1.72M
recent · 130 sales on record
Median PSF
S$1,766 psf
recent transactions
Median rent (monthly)
S$2,523
535 rentals on record
Gross rental yield
1.8%
indicative, gross
Units currently for sale are asking a median of S$1,544 psf — about 13% below the most recent transacted PSF.
Source: URA caveat data, through Sept 2025.
What has recently sold at The Sierra?
The Sierra has 130 recorded sales; the most recent transacted at S$1,780,000 in Sept 2025 (URA caveat data).
| Date | Price | Size (sqft) | PSF |
|---|---|---|---|
| Sept 2025 | S$1,780,000 | 980 | S$1,817 psf |
| Jun 2025 | S$2,215,000 | 1,206 | S$1,837 psf |
| May 2025 | S$1,302,800 | 667 | S$1,952 psf |
| Jul 2024 | S$1,935,000 | 1,033 | S$1,873 psf |
| Mar 2024 | S$1,730,000 | 980 | S$1,766 psf |
| Aug 2023 | S$2,160,000 | 1,206 | S$1,792 psf |
| Mar 2023 | S$1,190,000 | 667 | S$1,783 psf |
| Mar 2023 | S$1,120,000 | 667 | S$1,678 psf |
| Jan 2023 | S$1,715,000 | 1,033 | S$1,660 psf |
| Jan 2022 | S$1,890,000 | 1,206 | S$1,568 psf |
| Aug 2021 | S$1,530,000 | 1,141 | S$1,341 psf |
| Aug 2021 | S$1,575,000 | 1,033 | S$1,524 psf |
130 sales and 535 rentals on record since Nov 1996. Source: URA.
Are prices at The Sierra rising?
The median transacted PSF at The Sierra has risen 65% over the past 14 years (2011–2025), from S$1,115 psf to S$1,837 psf (URA caveats).
| Year | Median PSF | Median price | Sales | YoY |
|---|---|---|---|---|
| 2025 | S$1,837 psf | S$1.78M | 3 | +4.0% |
| 2024 | S$1,766 psf | S$1.73M | 2 | +5.2% |
| 2023 | S$1,678 psf | S$1.19M | 4 | +15.6% |
| 2021 | S$1,452 psf | S$1.50M | 4 | -5.5% |
| 2019 | S$1,536 psf | S$1.14M | 3 | +9.9% |
| 2018 | S$1,398 psf | S$1.10M | 6 | +13.8% |
| 2017 | S$1,229 psf | S$830k | 4 | -0.8% |
| 2016 | S$1,239 psf | S$803k | 2 | -5.9% |
| 2012 | S$1,316 psf | S$1.34M | 7 | +18.0% |
| 2011 | S$1,115 psf | S$1.20M | 2 | — |
Yearly median transacted PSF and price; years with at least 2 recorded sales. Source: URA caveat data.
Is The Sierra a good investment?
Of 71 units at The Sierra that were bought and later resold (bought from 1996, resold up to 2025), 73% sold for more than they were bought for, with a median gain of 17% over a median 7.9-year hold (URA caveats, before stamp duty, agent fees and interest). Its gross rental yield is about 1.8%. Units listed now ask about 13% less per square foot than recent sales. Past resale results don't predict future returns, and this is not financial advice.
Sold for more than bought
73%
of 71 resales here
Median gain
17%
gross, before costs
Median hold
7.9 years
bought to resold
Every unit at The Sierra with a purchase and a later resale on record, matched from URA caveats. Check the odds for your unit size and holding period →
Where is The Sierra and what's nearby?
The Sierra is located in Bukit Timah, in the Central Region of Singapore.
The Sierra is a 999-year apartment completed in 1998. It was developed by KOHS BROTHERS DEVELOPMENT PTE LTD. The development has 60 residential units. It sits on a land area of 2,938 sqm and has a gross floor area of 6,191 sqm. The plot ratio is 2.1.
THE SIERRA is located at 80 Mount Sinai Drive, Singapore 277125. It is part of District 10, Ardmore / Bukit Timah / Holland Road / Tanglin, Bukit Timah. The project falls within the Central Region and the CCR market segment.
The nearest rail connection is Dover MRT, approximately 767m away, around 12 minutes on foot. Nearby amenities include The Star Vista for shopping, YEO KENG GUAN for groceries, and Mount Sinai Plain Pg for greenery and recreation. Facilities in the development include Barbeque Area, Covered car park, Gymnasium room, Playground, 24 hours security, and Swimming pool.
How far is The Sierra from MRT and schools?
The nearest MRT/LRT to The Sierra is Dover MRT, about 767 m away (~12 min walk). 2 schools are within 1 km, including 1 primary school.
Getting around
- Dover MRT767 m · ~12 min
Schools nearby
Homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Henry Park Primary SchoolPrimary schoolwithin 1 km · P1 priority468 m
- School Of Science And Technology, SingaporeSecondary schoolwithin 1 km908 m
- New Town Secondary SchoolSecondary school1.2 km
- Pei Tong Primary SchoolPrimary school1.4 km
- Anglo-Chinese School (Independent)Mixed-level school1.6 km
- Methodist Girls' School (Primary)Primary school1.7 km
- Methodist Girls' School (Secondary)Secondary school1.7 km
- Nan Hua High SchoolSecondary school1.7 km
Shops, food & parks
Straight-line distances from the development. Source: PropKaki amenities data.
Who built The Sierra and how big is the development?
The Sierra was developed by KOHS BROTHERS DEVELOPMENT PTE LTD, with 60 units over up to 17 storeys.
- Developer
- KOHS BROTHERS DEVELOPMENT PTE LTD
- Floors
- 17 storeys
- Blocks
- 1
- Land area
- 2,938 sqm (31,624 sqft)
- Gross floor area
- 6,191 sqm (66,639 sqft)
- Plot ratio
- 2.10
What facilities does The Sierra have?
The Sierra has 7 facilities, including Barbeque Area, Covered car park, Gymnasium room, Playground, and more.
What does it cost to own a unit at The Sierra?
Buying a unit at The Sierra (~S$1.72M) needs about S$12,554/mo in income and S$5,776/mo in repayments, after S$55,350 stamp duty and a S$429k downpayment.
Illustrative, for a Singapore Citizen buying a unit at the recent median price (S$1.72M) 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$55,350
BSD, tiered
Downpayment (25%)
S$429k
cash + CPF
Monthly instalment
S$5,776/mo
30y @ 3.5%
Income required
S$12,554/mo
TDSR @ stress rate
How many property agents are active around The Sierra?
8,471 CEA-registered agents closed at least one recorded deal in District 10 — where The Sierra sits — in the last 12 months, across all property types.
Active agents · 12mo
8,471
District 10 · closed ≥1 deal
Deals on record
67,636
all-time · all property types
Source: CEA public transaction records, attributed to District 10 across HDB, condo and landed (agent activity isn't published at project level). Browse the agent directory or compare every market segment.
Thinking about The Sierra? Ask before you commit.
A fair-value read, recent comps and what a unit really costs — from The Sierra's own transactions.
PropKakiRecent units at The Sierra sold close to their fair value — solid, no obvious overpay.
Frequently asked questions about The Sierra
Is The Sierra freehold?⌄
No. The Sierra is on a 999-year lease that started in 1937, with about 910 years left.
How old is The Sierra?⌄
The Sierra was completed (obtained TOP) in 1998, so it is about 28 years old.
Is The Sierra a good investment?⌄
Of 71 units at The Sierra that were bought and later resold (bought from 1996, resold up to 2025), 73% sold for more than they were bought for, with a median gain of 17% over a median 7.9-year hold (URA caveats, before stamp duty, agent fees and interest). Its gross rental yield is about 1.8%. Units listed now ask about 13% less per square foot than recent sales. Past resale results don't predict future returns, and this is not financial advice.
Is The Sierra an EC?⌄
No. The Sierra is a private apartment development, not an executive condominium (EC).
Who is the developer of The Sierra?⌄
The Sierra was developed by KOHS BROTHERS DEVELOPMENT PTE LTD.
What is the price of a condo at The Sierra?⌄
Units at The Sierra have recently sold for around S$1.72M (S$1,766 psf), the median of the last 12 URA caveats to Sep 2025. The price depends on size, floor and facing. 10 units are listed for sale from S$1.98M to S$4.49M.
Where is The Sierra located?⌄
The Sierra is at 80 Mount Sinai Drive, Singapore 277125, in Bukit Timah (District 10). The nearest MRT station is Dover MRT, about 767 m away.
How many units are there in The Sierra?⌄
The Sierra has 60 units in 1 block, up to 17 storeys high.
How much do I need to earn to buy at The Sierra?⌄
For a unit around S$1.72M as a first home, you'd need roughly S$12,554/mo in income (assessed at the stress-test rate), with repayments near S$5,776/mo after a S$429k (25%) downpayment and S$55,350 Buyer's Stamp Duty.
Are prices at The Sierra going up?⌄
The median price per square foot at The Sierra has risen about 65% between 2011 and 2025, based on URA caveats. The year-by-year figures are in the price-trend table above.
Which primary schools are within 1 km of The Sierra?⌄
Henry Park Primary School is within 1 km of The Sierra. Homes within 1 km of a primary school get priority in Primary 1 (P1) registration.