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William St, Hornsby NSW 2077

Street

Street Summary

William St, Hornsby NSW 2077 sits at 1.0773 times the suburb house median. 6 homes sit above the street; 14 homes sit level with the street; 21 homes sit below the street. 15 homes are in a bushfire zone and 48 are heritage-listed. 1 home is recommended for a flood check. 19.7% of residences are houses and 72.3% are apartments. The street is a local road. Top projects include 1A Frederick St, 151 Peats Ferry Rd, and 48 William St. 1 house and 3 apartments sold in the past 12 months.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the William St, Hornsby NSW 2077 property market.

Houses vs Apartments249 total lots
19.7%
72.3%
8%
Houses (19.7%)
Apartments (72.3%)
Townhouses/Villas/Unclassified (8%)

PART 2
Houses

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

Land Topography

How house lots on William St, Hornsby NSW 2077 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
High-sideFlatLow-side
6 lots
14 lots
21 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
48 houses affected
Bushfire
15 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on William St, Hornsby NSW 2077 over the past 5 years, plotted against the Hornsby NSW 2077 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MSept 21May 23Jan 25Sept 26$1.6M · 2022$1.7M · 2023$1.8M · 2024$1.8M · 2025$1.9M · 2026$2.8M · 2024-09-21 · 26 WILLIAM ST, HORNSBY NSW 2077$700k · 2022-08-11 · 2/30A WILLIAM ST, HORNSBY NSW 2077$1.5M · 2023-03-15 · 1/30 WILLIAM ST, HORNSBY NSW 2077$1.7M · 2023-04-01 · 2/30 WILLIAM ST, HORNSBY NSW 2077$2.8M · 2025-08-09 · 61 WILLIAM ST, HORNSBY NSW 2077$1.6M · 2023-04-18 · 1/30A WILLIAM ST, HORNSBY NSW 2077$1.8M · 2022-08-16 · 35 WILLIAM ST, HORNSBY NSW 2077$2M · 2023-04-08 · 40 WILLIAM ST, HORNSBY NSW 2077$1M · 2024-02-04 · 45 WILLIAM ST, HORNSBY NSW 2077
Street price+8%vs suburb median
Turnover rate18.4%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on William St, Hornsby NSW 2077 over the past 5 years, plotted against the Hornsby NSW 2077 median apartment price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$500k$1.0M$1.5M$2.0MSept 21May 23Jan 25Sept 26$660k · 2022$680k · 2023$708k · 2024$720k · 2025$730k · 2026$670k · 2023-03-07 · 7/19 WILLIAM ST, HORNSBY NSW 2077$663k · 2023-05-24 · 8/23 WILLIAM ST, HORNSBY NSW 2077$610k · 2022-12-20 · 12/20 WILLIAM ST, HORNSBY NSW 2077$625k · 2022-12-13 · 15/23 WILLIAM ST, HORNSBY NSW 2077$712k · 2025-08-22 · 7/27 WILLIAM ST, HORNSBY NSW 2077$690k · 2025-04-08 · 9/27 WILLIAM ST, HORNSBY NSW 2077$725k · 2025-09-26 · 1/11 WILLIAM ST, HORNSBY NSW 2077$631k · 2022-06-29 · 2/11 WILLIAM ST, HORNSBY NSW 2077$648k · 2024-04-30 · 20/11 WILLIAM ST, HORNSBY NSW 2077$770k · 2026-03-17 · 12/14 WILLIAM ST, HORNSBY NSW 2077$1.1M · 2024-01-25 · 14/14 WILLIAM ST, HORNSBY NSW 2077$690k · 2024-11-22 · 6/14 WILLIAM ST, HORNSBY NSW 2077$667k · 2022-08-30 · 1/19 WILLIAM ST, HORNSBY NSW 2077$668k · 2022-03-30 · 11/19 WILLIAM ST, HORNSBY NSW 2077$505k · 2024-02-12 · 4/10 WILLIAM ST, HORNSBY NSW 2077$600k · 2021-10-17 · 6/10 WILLIAM ST, HORNSBY NSW 2077
Apartment sales3Past 12 months
Turnover rate8.9%Past 5 years

Largest Apartment Projects

The largest apartment projects on William St, Hornsby NSW 2077, ranked by number of lots.

1
1A FREDERICK ST, HORNSBY NSW 2077Small-Medium project (20-50 lots)
2
151 PEATS FERRY RD, HORNSBY NSW 2077Small-Medium project (20-50 lots)
3
48 WILLIAM ST, HORNSBY NSW 2077Small-Medium project (20-50 lots)

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Living in William St, Hornsby NSW 2077 : Street Profile & FAQs

Common questions about living on and buying property on William St, Hornsby NSW 2077 — lifestyle, transport, and the local housing market.

Note: Data is sourced from the Australian Bureau of Statistics (ABS) 2021 Census data and knest.ai internal statistical data.

Is William St an expensive or affordable street relative to Hornsby?

House prices on William St in Hornsby are 7.73% above the Hornsby suburb house median.

What are the risk and overlay factors on William St?

There are 15 properties in a bushfire zone and 48 heritage-listed properties on William St. One property is recommended for a flood check, while 48 have no flood risk identified or are not mapped. There are no flood overlays or high-voltage powerline exposures on the street.

Are properties on William St mostly on high, level or low ground?

6 homes sit above the street; 14 homes sit level with the street; 21 homes sit below the street.

What type of road is William St?

William St is a local road in Hornsby.

Is William St mostly houses or apartments?

William St in Hornsby has 249 residential properties, with 19.7% being houses and 72.3% being apartments.

What are the major apartment developments on William St?

The only major apartment development recorded on William St is at 48 William St, Hornsby, which has 24 lots across 2 levels.

How many properties have sold on William St?

One house and three apartments sold on William St in the past 12 months. The 5-year turnover rate is 18.4% for houses and 8.9% for apartments, representing the proportion of properties that changed ownership during the past five years.

Is William St a good street to buy property on?

William St in Hornsby is best suited for buyers seeking a local road environment. It offers a mix of detached houses and apartments, with the majority of stock being apartments. Buyers should consider the heritage overlays, bushfire zone classification, and the fact that most homes sit below the street.