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Completed 1997

Castle Green

D26 · Mandai / Upper Thomson · 481 Yio Chu Kang Road

A 664-unit condo in D26, completed in 1997, on a 99-year lease from 1993 with about 66 years left. Developed by Castle Green Property Pte Ltd.

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

66 yrs
Lease left
$1,417
Avg $psf, 12 months
17
Sales, 12 months
1997
Completed
Floor plans →
02 — Prices

Castle Green prices

Last 12 months
17
Sales
$1,417
Average $psf
$1,283 – $1,898
$psf range
$1.24M – $2.31M
Price range
By bedroom type
Last 12 months
TypeSalesAvg $psfPrice rangeSize
2-Bedroom7 sales$1,362 psf$1.24M – $1.37M947 sq ft
3-Bedroom3 sales$1,496 psf$1.56M – $2.31M1,216 sq ft
4-Bedroom2 sales$1,528 psf$2.15M – $2.16M1,410 sq ft

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

Average $psf by year
2015
$821
2016
$829
2017
$824
2018
$849
2019
$861
2020
$885
2021
$940
2022
$1,057
2023
$1,226
2024
$1,291
2025
$1,364
2026
$1,395
Latest five sales
DateSizePrice$psf
11 Aug 20261,152 sq ft$1.63M$1,414 psf
20 May 20261,410 sq ft · 4-Bedroom$2.16M$1,532 psf
17 Apr 2026947 sq ft · 2-Bedroom$1.3M$1,372 psf
1 Apr 20261,152 sq ft$1.66M$1,441 psf
1 Apr 20261,216 sq ft · 3-Bedroom$1.56M$1,283 psf
Compared with nearby condos

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

Source: URA caveats, Sep 2026. The 2026 average covers Jan–Sep.

03 — Lease
66years left of 99
1993Ends 2092

99-year lease from 1 Dec 1993. About 66 years remain as of Sep 2026.

Source: Condo master (URA caveats)

04 — Unit mix

Castle Green floor plans by bedroom type

12 layouts, from a 947 sq ft 2-bedroom to a 1,593 sq ft 3-bedroom. Pick a type to see its floor plans.

Bedroom typeLayoutsSize range
2-Bedroom 4 947 – 1,302 sq ft 4 layouts · 947 – 1,302 sq ft
A2947 sq ft A1947 sq ft A2a1,302 sq ft A1a1,130 sq ft
3-Bedroom 6 1,173 – 1,593 sq ft 6 layouts · 1,173 – 1,593 sq ft
B31,173 sq ft B1b1,345 sq ft B1a1,280 sq ft B21,216 sq ft B2a1,593 sq ft
4-Bedroom 2 1,410 sq ft 2 layouts · 1,410 sq ft
C1,410 sq ft

Source: Developer floor plans; bedroom counts read by Stacked

05 — Location

Near Castle Green

MRT stations
TE Lentor 590 m · 7 min walk
NS Yio Chu Kang 970 m · 12 min walk
TE Mayflower 1.6 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
Anderson Primary School 240 m
Within 2 km
Mayflower Primary SchoolPopular 1.1 km
Ang Mo Kio Primary School 1.9 km

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

Everyday amenities
Park Teacher's Estate Park 1.3 km · 16 min
Clinic The Chungkiaw Family Practice 860 m · 10 min
Supermarket Cold Storage / Giant 1.7 km · 20 min
Hawker centre Ang Mo Kio 628 Market 910 m · 11 min
Map of the area around Castle Green, with nearby MRT stations and primary schools
Map data © OpenStreetMap contributors

Source: OneMap walking routes, Sep 2026

06 — Nearby

Condos and supply around Castle Green

Upcoming supply
Lentor Central710 m · about 531 units · 1.59 ha Awarded · $13,753 psm GFA · Mar 2026
Lentor Central710 m · about 457 units · 1.47 ha Awarded · $10,570 psm GFA · Sep 2023
Lentor Gardens900 m · about 482 units · 2.06 ha Awarded · $9,903 psm GFA · Apr 2025
Upper Thomson Road (Parcel A)2.0 km · about 597 units · 2.44 ha Awarded · $11,427 psm GFA · Oct 2025

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

07 — From Stacked

Stacked articles mentioning Castle Green

Dec 2025 This 698-Unit Ang Mo Kio Condo Launched At The Wrong Time — And Still Outperformed Peers Aug 2025 Springleaf Residence Pricing Review: How It Compares To Nearby Resale And New Launches Mar 2025 Where Are The Cheapest Resale Condos In Each District In 2025?  Sep 2022 Lentor Modern Review: A Well-Executed Integrated Development That'll Be The First And Only One In Lentor Mar 2020 Bullion Park Review: 'Ulu' With Unblocked Views And Feature Packed Feb 2024 Lentoria Condo Review: Smallest Lentor New Launch Within 1 Km To CHIJ St Nicholas

19 more articles mention Castle Green.

Source: Stacked Homes editorial

08 — FAQ

Questions about Castle Green

How many years are left on the lease at Castle Green?

About 66 years. It is a 99-year lease from 1993.

When was Castle Green completed?

1997.

How many units does Castle Green have?

664 units, up to 13 storeys.

What sizes are the 2-bedroom units?

947 to 1,302 sq ft across four layouts.

What is the price psf at Castle Green?

17 sales in the last 12 months averaged $1,417 psf, ranging from $1,283 to $1,898 psf.

What did the latest sale go for?

A 1,152 sq ft unit sold for $1.63M ($1,414 psf) on 11 Aug 2026.

What is the nearest MRT station?

Lentor (TE), a 7-minute walk (590 m). Yio Chu Kang (NS) is 970 m away.

Which primary schools are within 1 km?

Anderson Primary School, 240 m away.

Who developed Castle Green?

Castle Green Property Pte Ltd.

Answers generated from the data on this page, Sep 2026