21 Central Avenue, Mosman NSW 2088
4 bed3 bath1 car633 m² land275 m² floorBuilt 1931
Ducted air conditioningOutdoor entertaining deckLandscaped gardensSwimming pool
PropertyCheck estimate
$8,125,000
as at Jun 2026
Statistical model estimate, not a professional valuation. Range reflects a ±4.0% model deviation based on 6 comparable sales. Do not rely on it for lending or legal decisions.
Rental estimate
$2890/wk
Range $2660–$3120 · gross yield 1.8%
Buying costs snapshot
Stamp duty ≈ $496,619 (NSW)
Repayments ≈ $38,554/mo (80% LVR, 5.9%, 30y)
Estimated value over time
Today's estimate carried back along the Mosman house price index.
Sales history
| Date | Sale price | Change |
|---|---|---|
| 12 Aug 2025 | $7,679,500 | +24% |
| 16 Jul 2021 | $6,180,500 | +12% |
| 9 Apr 2016 | $5,502,000 | — |
The evidence behind this estimate
Recent comparable sales, indexed to today and adjusted for attribute differences. This is the transparency most estimators keep behind a paywall.
158 Countess Street, Mosman
House · 4 bed · 2 bath · 1 car · 576 m² · 0.5 km away
$6,815,000
13 Nov 2025
≈ $8.04m adjusted
58 Raglan Street, Mosman
House · 4 bed · 3 bath · 2 car · 914 m² · 1.2 km away
$8,304,500
5 Feb 2026
≈ $8.21m adjusted
66 Killarney Street, Mosman
House · 4 bed · 1 bath · 2 car · 628 m² · 1.2 km away
$5,447,500
27 Jan 2024
≈ $6.98m adjusted
102 Ourimbah Road, Mosman
House · 4 bed · 2 bath · 0 car · 847 m² · 1.0 km away
$7,594,000
11 Oct 2025
≈ $8.84m adjusted
155 Raglan Street, Mosman
House · 4 bed · 3 bath · 2 car · 329 m² · 1.5 km away
$7,248,000
13 Jul 2025
≈ $8.68m adjusted
86 Muston Street, Mosman
House · 3 bed · 2 bath · 1 car · 690 m² · 0.2 km away
$6,571,000
1 May 2024
≈ $9.69m adjusted