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Completed 1998

The Sierra

D10 · Tanglin / Holland · 80 Mount Sinai Drive

A 60-unit apartment in D10, completed in 1998. Developed by Koh Brothers Development Pte Ltd.

Source: Condo master (URA caveats); URA transactions, Sep 2026

947 yrs
Tenure
1998
Completed
60
Units
2.8 km
Dover MRT
Floor plans →
02 — Prices

The Sierra prices

All sales on record
130
Sales on record
Sep 2025
Latest sale
By bedroom type
Last 3 years
TypeSalesAvg $psfPrice rangeSize
1-Bedroom1 sale$1,952 psf$1.3M667 sq ft
2-Bedroom4 sales$1,823 psf$1.73M – $2.22M980–1,206 sq ft

Prices by bedroom type are based on matching sales to unit sizes.

Average $psf by year
2013
$1,280
2015
$1,250
2016
$1,252
2017
$1,240
2018
$1,421
2019
$1,516
2020
$1,573
2021
$1,483
2022
$1,568
2023
$1,728
2024
$1,820
2025
$1,869
Latest five sales
DateSizePrice$psf
26 Sep 2025980 sq ft · 2-Bedroom$1.78M$1,817 psf
25 Jun 20251,206 sq ft · 2-Bedroom$2.22M$1,837 psf
9 May 2025667 sq ft · 1-Bedroom$1.3M$1,952 psf
24 Jul 20241,033 sq ft · 2-Bedroom$1.94M$1,873 psf
7 Mar 2024980 sq ft · 2-Bedroom$1.73M$1,766 psf
Compared with nearby condos

Prices by bedroom type are based on matching sales to unit sizes.

Last 12 monthsNo sales in the last 12 months.

Source: URA caveats, Sep 2026.

03 — Unit mix

The Sierra floor plans by bedroom type

10 layouts, from a 635 sq ft 1-bedroom to a 3,014 sq ft 4-bedroom. Pick a type to see its floor plans.

Bedroom typeLayoutsSize range
1-Bedroom 4 635 – 710 sq ft 4 layouts · 635 – 710 sq ft
B1667 sq ft B710 sq ft A1667 sq ft A2635 sq ft
2-Bedroom 3 979 – 1,205 sq ft 3 layouts · 979 – 1,205 sq ft
D1,205 sq ft C1979 sq ft C21,033 sq ft
4-Bedroom 2 2,960 – 3,014 sq ft 2 layouts · 2,960 – 3,014 sq ft
G2,960 sq ft F3,014 sq ft
5-Bedroom 1 2,906 sq ft 1 layout · 2,906 sq ft
E2,906 sq ft

Source: Developer floor plans; bedroom counts read by Stacked

04 — Location

Near The Sierra

MRT stations
EW Dover 2.8 km · 34 min walk
EWCC Buona Vista 1.6 km
EW Clementi 1.7 km
CC Holland Village 1.9 km

Walking times are estimates based on OneMap walking routes; stations without one are straight-line distances. Check OneMap for your exact route.

Primary schools
Within 1 km
Henry Park Primary SchoolPopular 470 m
Within 2 km
Pei Tong Primary School 1.4 km
Methodist Girls' School (Primary)Popular 1.7 km
Clementi Primary School 1.9 km
Fairfield Methodist School (Primary)Popular 2.0 km

Based on straight-line distance only. Check the MOE website for confirmation.

Everyday amenities
Park Henry Park 520 m · 6 min
Clinic Arcadia Clinic 710 m · 9 min
Supermarket Laurels Foods Suppliers 710 m · 9 min
Hawker centre Clementi Ave 2 Market/Cooked Food Centre 2.0 km · 24 min
Map of the area around The Sierra

Source: OneMap walking routes, Sep 2026

05 — Nearby

Condos and supply around The Sierra

Upcoming supply
Pine Grove (Parcel B)670 m · about 584 units · 2.5 ha Awarded · $13,168 psm GFA · Nov 2023
Holland Plain1.1 km · about 684 units · 3.42 ha Upcoming
Holland Plain1.1 km · about 314 units · 1.57 ha Awarded · $16,048 psm GFA · May 2026
Holland Link1.5 km · about 266 units · 1.71 ha Awarded · $15,415 psm GFA · Aug 2025

Source: URA transactions; URA land sales; OneMap distances, Sep 2026

06 — FAQ

Questions about The Sierra

What is the tenure of The Sierra?

947-year lease from 1937.

When was The Sierra completed?

1998.

How many units does The Sierra have?

60 units, up to 17 storeys.

What sizes are the 1-bedroom units?

635 to 710 sq ft across four layouts.

When was the last sale?

Sep 2025. There are 130 sales on record.

What is the nearest MRT station?

Dover (EW), a 34-minute walk (2.8 km). Buona Vista (EW, CC) is 1.6 km away.

Which primary schools are within 1 km?

Henry Park Primary School, 470 m away.

Who developed The Sierra?

Koh Brothers Development Pte Ltd.

Answers generated from the data on this page, Sep 2026