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21 C Billyard Ave, Elizabeth Bay

VG property id 2138170 · spans 2 street addresses

This record spans 2 street addresses: 21 C Billyard Ave · 10 Onslow Ave. Sales, resale and turnover figures on this page cover all of them together — the NSW Valuer General keys every lot's sale to this one record.

This building has 35 recorded sales since 2015; 100% of its 7 tracked resales sold above the owner's purchase price. Every figure below is a government record with its source named — and the last section lists what the public record cannot tell you.

21 C Billyard Ave, Elizabeth Bay has recorded 35 sales since 2015, with 28 in the last 3 years. All 7 resale pairs sold above their purchase price, holding for a median of 9 years. Current bond rents in the postcode: studios median $530/wk (middle half $485–$590/wk), 1-beds median $695/wk ($580–$825/wk), 2-beds median $1150/wk ($998–$1362/wk), and 3-beds median $1775/wk ($1396–$1999/wk).

Written by AI from the government records on this page — checked figure-by-figure against them (2026-08-28). A description of the record, never advice.

Every sale in this building

35 priced transfers on the public record since 2015. Across 7 same-unit resales, owners held a median 9 years and 100% sold above what they paid (median +13%/yr gross — price only, before costs and any renovation).

Unit 12$5.2M2024-08-27

Unit 11$4.97M2024-08-27

Unit 10$4.86M2024-08-27

Unit 8$4.69M2024-08-27

Unit 9$4.31M2024-08-27

Unit 6$4.23M2024-08-27

NSW Valuer General bulk property sales information (CC-BY), every lot sharing this building's property id; unit labels are the register's own strings. Transfers under 3 months apart are excluded as double entries; growth figures are gross price movements, not returns.

Nearby buildings with dossiers

5 Esplanade35 sales · 100% of resales above purchase

11 Greenknowe Ave35 sales · 29 lots · 67% of resales above purchase

3 Greenknowe Ave34 sales · 100% of resales above purchase

2 Elizabeth Bay Rd77 sales · 161 lots · 88% of resales above purchase

50 Macleay St73 sales · 82% of resales above purchase

What this dossier cannot tell you

Stated so a gap never reads as a clean bill (rule 7's positive form — silence is not evidence):

The strata books. Levies, the capital-works (sinking) fund, insurance, AGM minutes, and any defect claims in progress are not public records. Only a strata report — a paid inspection of the owners corporation's own books — has them. If you are serious about a unit here, buy that report; nothing on this page substitutes for it.
When the building was actually completed. No registration date is held for this building. Occupation certificates aren't in our sources; a conveyancer can obtain them.
Bedrooms on sales records. The Valuer General publishes no bedroom counts, so the sales above are every configuration pooled — a $732k sale and a $1.38M sale may be different-sized homes, not a price swing.
Why any individual vendor is selling. The patterns above are the building's record; no line on this page is a claim about a particular home or owner.

© State of New South Wales (Spatial Services, a business unit of the Department of Customer Service NSW). For current information go to spatial.nsw.gov.au. VG figures: NSW Valuer General bulk property sales information (CC-BY). Every fact above names its source; where a source doesn't cover this building, the section doesn't appear.