21/F B

in Double Coast Phase 1 Double Coast I Tower 3

Switch unit

Floor

1/F D 480 ft² 1/F E 297 ft² 1/F F 327 ft² 1/F G 265 ft² 1/F H 324 ft² 1/F J 446 ft² 2/F D 480 ft² 2/F E 336 ft² 2/F F 326 ft² 2/F G 265 ft² 2/F H 324 ft² 2/F J 446 ft² 3/F D 480 ft² 3/F E 336 ft² 3/F F 325 ft² 3/F G 265 ft² 3/F H 324 ft² 3/F J 446 ft² 5/F D 480 ft² 5/F E 462 ft² 5/F F 325 ft² 5/F G 265 ft² 5/F H 324 ft² 5/F J 446 ft² 6/F D 480 ft² 6/F E 462 ft² 6/F F 325 ft² 6/F G 265 ft² 6/F H 324 ft² 6/F J 446 ft² 7/F D 480 ft² 7/F E 462 ft² 7/F F 325 ft² 7/F G 265 ft² 7/F H 324 ft² 7/F J 446 ft² 8/F A 439 ft² 8/F B 628 ft² 8/F C 420 ft² 8/F D 477 ft² 8/F E 462 ft² 8/F F 325 ft² 8/F G 265 ft² 8/F H 324 ft² 8/F J 440 ft² 8/F K 437 ft² 8/F L 320 ft² 9/F A 439 ft² 9/F B 627 ft² 9/F C 420 ft² 9/F D 477 ft² 9/F E 462 ft² 9/F F 325 ft² 9/F G 265 ft² 9/F H 324 ft² 9/F J 441 ft² 9/F K 437 ft² 9/F L 320 ft² 10/F B 628 ft² 10/F C 420 ft² 10/F D 477 ft² 10/F E 462 ft² 10/F F 325 ft² 10/F G 265 ft² 10/F H 324 ft² 10/F J 440 ft² 10/F K 437 ft² 10/F L 320 ft² 11/F A 439 ft² 11/F B 627 ft² 11/F C 420 ft² 11/F D 477 ft² 11/F E 462 ft² 11/F F 325 ft² 11/F G 265 ft² 11/F H 324 ft² 11/F J 440 ft² 11/F K 437 ft² 11/F L 320 ft² 12/F A 439 ft² 12/F B 628 ft² 12/F C 420 ft² 12/F D 477 ft² 12/F E 462 ft² 12/F F 325 ft² 12/F G 265 ft² 12/F H 324 ft² 12/F J 441 ft² 12/F K 437 ft² 12/F L 320 ft² 15/F A 439 ft² 15/F B 627 ft² 15/F C 420 ft² 15/F D 477 ft² 15/F E 462 ft² 15/F F 325 ft² 15/F G 265 ft² 15/F H 324 ft² 15/F J 441 ft² 15/F K 437 ft² 15/F L 320 ft² 16/F A 439 ft² 16/F B 628 ft² 16/F C 420 ft² 16/F D 477 ft² 16/F E 462 ft² 16/F F 325 ft² 16/F G 265 ft² 16/F H 324 ft² 16/F J 440 ft² 16/F K 437 ft² 16/F L 320 ft² 17/F A 439 ft² 17/F B 628 ft² 17/F C 420 ft² 17/F D 477 ft² 17/F E 462 ft² 17/F F 325 ft² 17/F G 265 ft² 17/F H 324 ft² 17/F J 441 ft² 17/F K 437 ft² 17/F L 320 ft² 18/F A 439 ft² 18/F B 627 ft² 18/F C 420 ft² 18/F D 477 ft² 18/F E 462 ft² 18/F F 325 ft² 18/F G 265 ft² 18/F H 324 ft² 18/F J 441 ft² 18/F K 437 ft² 18/F L 320 ft² 19/F A 439 ft² 19/F B 627 ft² 19/F C 420 ft² 19/F D 477 ft² 19/F E 462 ft² 19/F F 325 ft² 19/F G 265 ft² 19/F H 324 ft² 19/F J 441 ft² 19/F K 437 ft² 19/F L 320 ft² 20/F A 439 ft² 20/F B 628 ft² 20/F C 420 ft² 20/F D 477 ft² 20/F E 462 ft² 20/F F 325 ft² 20/F G 265 ft² 20/F H 324 ft² 20/F J 441 ft² 20/F K 437 ft² 20/F L 320 ft² 21/F A 439 ft² 21/F B 627 ft² 21/F C 420 ft² 21/F D 477 ft² 21/F E 462 ft² 21/F F 325 ft² 21/F G 265 ft² 21/F H 324 ft² 21/F J 441 ft² 21/F K 437 ft² 21/F L 320 ft² 22/F A 439 ft² 22/F B 627 ft² 22/F C 420 ft² 22/F D 477 ft² 22/F E 462 ft² 22/F F 325 ft² 22/F G 265 ft² 22/F H 324 ft² 22/F J 441 ft² 22/F K 437 ft² 22/F L 320 ft² 23/F B 627 ft² 23/F C 420 ft² 23/F D 477 ft² 23/F E 462 ft² 23/F F 325 ft² 23/F G 265 ft² 23/F H 324 ft² 23/F J 441 ft² 23/F K 437 ft² 23/F L 320 ft² 25/F A 439 ft² 25/F B 627 ft² 25/F C 420 ft² 25/F D 477 ft² 25/F E 462 ft² 25/F F 325 ft² 25/F G 265 ft² 25/F H 324 ft² 25/F J 440 ft² 25/F K 437 ft² 25/F L 320 ft² 26/F A 439 ft² 26/F B 627 ft² 26/F C 420 ft² 26/F D 477 ft² 26/F E 462 ft² 26/F F 325 ft² 26/F G 265 ft² 26/F H 324 ft² 26/F J 441 ft² 26/F K 437 ft² 26/F L 320 ft² 27/F A 439 ft² 27/F B 628 ft² 27/F C 420 ft² 27/F D 477 ft² 27/F E 462 ft² 27/F F 325 ft² 27/F G 265 ft² 27/F H 324 ft² 27/F J 441 ft² 27/F K 437 ft² 27/F L 320 ft² 28/F B 628 ft² 28/F C 420 ft² 28/F E 462 ft² 28/F F 325 ft² 28/F G 265 ft² 28/F H 324 ft² 28/F J 440 ft² 28/F K 437 ft² 28/F L 320 ft² 29/F B 627 ft² 29/F C 420 ft² 29/F D 477 ft² 29/F E 462 ft² 29/F F 325 ft² 29/F G 265 ft² 29/F H 324 ft² 29/F J 441 ft² 29/F K 437 ft² 29/F L 320 ft² 30/F B 628 ft² 30/F C 420 ft² 30/F D 477 ft² 30/F E 462 ft² 30/F F 325 ft² 30/F G 265 ft² 30/F H 324 ft² 30/F J 440 ft² 30/F K 437 ft² 30/F L 320 ft² 31/F B 628 ft² 31/F C 420 ft² 31/F D 477 ft² 31/F E 462 ft² 31/F F 325 ft² 31/F G 265 ft² 31/F H 324 ft² 31/F J 440 ft² 31/F K 437 ft² 31/F L 320 ft² 32/F B 628 ft² 32/F C 420 ft² 32/F E 462 ft² 32/F F 325 ft² 32/F G 265 ft² 32/F H 324 ft² 32/F J 440 ft² 32/F K 437 ft² 32/F L 320 ft² 33/F B 628 ft² 33/F C 420 ft² 33/F D 477 ft² 33/F E 462 ft² 33/F F 325 ft² 33/F G 265 ft² 33/F H 324 ft² 33/F J 441 ft² 33/F K 437 ft² 33/F L 320 ft² 35/F B 628 ft² 35/F C 420 ft² 35/F E 462 ft² 35/F F 325 ft² 35/F G 265 ft² 35/F H 324 ft² 35/F J 440 ft² 35/F K 437 ft² 35/F L 320 ft² 36/F B 628 ft² 36/F C 420 ft² 36/F E 462 ft² 36/F F 325 ft² 36/F G 265 ft² 36/F H 324 ft² 36/F J 440 ft² 36/F K 437 ft² 36/F L 320 ft² 37/F A 439 ft² 37/F B 628 ft² 37/F C 420 ft² 37/F E 462 ft² 37/F F 325 ft² 37/F G 265 ft² 37/F H 324 ft² 37/F J 440 ft² 37/F K 437 ft² 37/F L 320 ft² 38/F A 439 ft² 38/F B 627 ft² 38/F C 420 ft² 38/F D 477 ft² 38/F E 463 ft² 38/F F 325 ft² 38/F G 265 ft² 38/F H 324 ft² 38/F J 437 ft² 38/F K 435 ft² 38/F L 320 ft² 39/F A 1,275 ft² 39/F C 419 ft² 39/F E 455 ft² 39/F F 1,260 ft²

Crescira AVM · estimated value ● Medium confidence

HK$14.71M

≈ HK$23,469 / ft² saleable · updated 2026-08-01

Not an offer or formal valuation

Mortgage Intelligence

Fully appraised HIBOR 1M · 3.9% Prime · 6.125%

Typical HK bank rates as of July 2026 — this site has no live rate feed; check current HIBOR and Prime with your bank.

At today's rate and a 70% mortgage, the deposit on this unit is about HK$4.41M, with repayments around HK$49,921/mo for the first 5 years.

Open full planner → Compare mortgage offers →

Mortgage plan · rate basis

H-plan · HIBOR + 1.30%

5.2% → capped 4.125%

Prime Rate (P-plan) · P − 2.00%

4.125%

The H-plan's cap is the P-plan rate, so with HIBOR where it is both price at 4.125% today. The H-plan is only cheaper once 1M HIBOR falls below 2.825%.

If rates change · monthly repayment

LTV 70%

Term

▼ 0.50% · 3.625%

HK$46,975

−HK$2,946/mo

▼ 0.25% · 3.875%

HK$48,436

−HK$1,485/mo

Today · 4.125%

HK$49,921

baseline

▲ 0.50% · 4.625%

HK$52,958

+HK$3,037/mo

Deposit HK$4.41M · loan HK$10.30M · min. income ≈ HK$99,842/mo (50% DSR)

Upfront cash ≈ HK$4.97M (deposit + AVD stamp duty HK$551,805 · Scale 2, in force from 26 Feb 2026)

Unit Information

Floor: 21/F
Flat: B
Saleable Area: 627 ft²
District: Kowloon City District · Kowloon
School net (POA): 34

Transaction History

Date	Price	Gain / loss	$/ft²	$/ft² gross
2025-02-12	HK$12.92M	—	HK$20,600	—

QoL Matrix

View full Quality-of-Life page → Government open data

Nearest MTR

Ngau Tau Kok

≈ 17 min walk · 1,296 m

(quite far — consider other transport options)

Education

schools within 1 km (0 within 500 m)

Daily convenience

within 1 km (0 within 500 m)

Health

hospitals/clinics within 1 km

Recreation

parks, libraries, sports within 1 km

Everyday convenience — 5 shopping and daily-needs spots nearby.

Healthcare close by — 2 hospitals/clinics within 1 km.

Green space & leisure — 12 parks, libraries and sports venues nearby.

Location

Other appraised units in this building

Data sourced from Renavon.com