William St, Double Bay NSW 2028

Street
PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the William St, Double Bay NSW 2028 property market.

Houses vs Apartments351 total lots
8%
82.6%
9.4%
Houses (8%)
Apartments (82.6%)
Townhouses/Villas/Unclassified (9.4%)

Street Class & Speed Limit

The road classification and posted speed limit along William St, Double Bay NSW 2028. Road class and speed limit can each vary from section to section; the dominant setting along the street is shown here.

Dominant road class & speed limitARTERIAL ROAD · 50 km/h97.4% of properties front this section

PART 2
Houses

"Houses" in this report includes detached houses, duplexes, and terraces.

Land Topography

How house lots on William St, Double Bay NSW 2028 sit relative to street level — topography that affects drainage, flood risk, privacy, and build cost. Statistics are calculated from properties with available data.

High-side vs low-side house lots
Flat
19 lots
High-side (1m above)
Flat
Low-side (1m below)

Risks &Overlays

See which key planning overlays and environmental risks affect this street before you buy.

Heritage
1 houses affected
Bushfire
0 houses affected
Flood
2 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on William St, Double Bay NSW 2028 over the past 5 years, plotted against the Double Bay NSW 2028 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$2.5M$5.0M$7.5M$10.0MJuly 21Mar 23Nov 24July 26$6M · 2022$5.9M · 2023$7.5M · 2024$7.2M · 2025$5.1M · 2025-03-25 · 42 WILLIAM ST, DOUBLE BAY NSW 2028
Turnover rate3.6%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on William St, Double Bay NSW 2028 over the past 5 years, plotted against the Double Bay NSW 2028 median apartment price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$2.5M$5.0M$7.5M$10.0MJuly 21Mar 23Nov 24July 26$1.9M · 2022$1.7M · 2023$1.8M · 2024$1.9M · 2025$1.3M · 2024-08-30 · 6/20 WILLIAM ST, DOUBLE BAY NSW 2028$3M · 2022-09-20 · 3/21 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2025-06-07 · 1/30 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2025-06-07 · 1/30 WILLIAM ST, DOUBLE BAY NSW 2028$1.8M · 2025-03-29 · 11/30 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2022-01-18 · 12/30 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2021-10-07 · 2/30 WILLIAM ST, DOUBLE BAY NSW 2028$1.8M · 2021-08-26 · 4/30 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2022-05-07 · 3/26A WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2021-08-06 · 5/28 WILLIAM ST, DOUBLE BAY NSW 2028$1.7M · 2021-08-13 · 7/28 WILLIAM ST, DOUBLE BAY NSW 2028$2.9M · 2023-08-14 · 52/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.9M · 2024-12-04 · 52/41 WILLIAM ST, DOUBLE BAY NSW 2028$1.4M · 2024-03-21 · 6/41 WILLIAM ST, DOUBLE BAY NSW 2028$1.4M · 2024-03-21 · 6/41 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2024-09-26 · 1/50 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2024-02-13 · 2/50 WILLIAM ST, DOUBLE BAY NSW 2028$1.9M · 2025-12-12 · 3/48 WILLIAM ST, DOUBLE BAY NSW 2028$1.5M · 2023-05-13 · 5/50 WILLIAM ST, DOUBLE BAY NSW 2028$970k · 2023-05-17 · 4/63 WILLIAM ST, DOUBLE BAY NSW 2028$1.1M · 2025-08-27 · 8/63 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2022-10-15 · 10/41 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2022-10-15 · 10/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.9M · 2023-08-14 · 12/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.9M · 2024-12-04 · 12/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.3M · 2022-09-26 · 13/41 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2021-08-13 · 14/41 WILLIAM ST, DOUBLE BAY NSW 2028$1.6M · 2021-08-13 · 14/41 WILLIAM ST, DOUBLE BAY NSW 2028$883k · 2025-04-16 · 22/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.3M · 2023-06-29 · 27/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.3M · 2023-06-29 · 27/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.6M · 2024-12-06 · 30/41 WILLIAM ST, DOUBLE BAY NSW 2028$4.1M · 2021-11-26 · 19/51 WILLIAM ST, DOUBLE BAY NSW 2028$4M · 2025-11-17 · 13/51 WILLIAM ST, DOUBLE BAY NSW 2028$3.8M · 2025-08-10 · 3/51 WILLIAM ST, DOUBLE BAY NSW 2028$3.6M · 2024-04-19 · 6/51 WILLIAM ST, DOUBLE BAY NSW 2028$4.2M · 2024-03-01 · 24/51 WILLIAM ST, DOUBLE BAY NSW 2028$4.6M · 2023-09-06 · 47/51 WILLIAM ST, DOUBLE BAY NSW 2028$3.9M · 2022-05-27 · 34/51 WILLIAM ST, DOUBLE BAY NSW 2028$4.3M · 2024-09-18 · 35/51 WILLIAM ST, DOUBLE BAY NSW 2028$2.5M · 2024-02-23 · 11/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.1M · 2025-06-20 · 11/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.8M · 2025-10-31 · 1/55 WILLIAM ST, DOUBLE BAY NSW 2028$2.8M · 2025-10-31 · 2/55 WILLIAM ST, DOUBLE BAY NSW 2028$2.1M · 2024-04-29 · 7/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2025-06-13 · 7/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2025-06-13 · 7/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.2M · 2025-11-14 · 6/10 WILLIAM ST, DOUBLE BAY NSW 2028$1.9M · 2024-06-19 · 2/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2024-09-27 · 3/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2023-12-11 · 8/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2023-12-11 · 8/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2023-12-11 · 8/10 WILLIAM ST, DOUBLE BAY NSW 2028$3M · 2024-02-16 · 1/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.8M · 2025-10-31 · 3/55 WILLIAM ST, DOUBLE BAY NSW 2028$2.8M · 2025-10-31 · 4/55 WILLIAM ST, DOUBLE BAY NSW 2028$2.4M · 2024-03-15 · 12/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.1M · 2024-11-13 · 12/10 WILLIAM ST, DOUBLE BAY NSW 2028$2M · 2024-11-14 · 4/10 WILLIAM ST, DOUBLE BAY NSW 2028$2.3M · 2022-09-26 · 39/41 WILLIAM ST, DOUBLE BAY NSW 2028$883k · 2025-04-16 · 53/41 WILLIAM ST, DOUBLE BAY NSW 2028$2.6M · 2024-12-06 · 54/41 WILLIAM ST, DOUBLE BAY NSW 2028$6.2M · 2025-09-05 · 13/10 WILLIAM ST, DOUBLE BAY NSW 2028
Apartment sales7Past 12 months
Turnover rate16.2%Past 5 years

Largest Apartment Projects

The largest apartment projects on William St, Double Bay NSW 2028, ranked by number of lots.

1
51 WILLIAM ST, DOUBLE BAY NSW 2028Medium project (51-100 lots)
2
41 WILLIAM ST, DOUBLE BAY NSW 2028Small-Medium project (20-50 lots)
3
20 WILLIAM ST, DOUBLE BAY NSW 2028Small project (<20 lots)

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