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William St, Ermington NSW 2115

Street

Street Summary

William St, Ermington NSW 2115 is a predominantly residential street where 82% of homes are houses. 9 homes sit above the street; 20 homes sit level with the street; 11 homes sit below the street. 2 homes are subject to a flood overlay, 8 are recommended for a flood check, and 41 are near high-voltage powerlines. There are insufficient recent house sales to calculate a reliable comparison against the suburb, so buyers should compare recent sales of individual homes on the street against nearby comparable properties.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the William St, Ermington NSW 2115 property market.

Houses vs Apartments50 total lots
82%
18%
Houses (82%)
Apartments (0%)
Townhouses/Villas/Unclassified (18%)

PART 2
Houses

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

Land Topography

How house lots on William St, Ermington NSW 2115 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
9 lots
20 lots
11 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
0 houses affected
Bushfire
0 houses affected
Flood
2 houses affected
High voltage power line
41 houses affected

Street Sales - Houses

Actual house sales on William St, Ermington NSW 2115 over the past 5 years, plotted against the Ermington NSW 2115 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$1.8M · 2022$1.8M · 2023$2M · 2024$1.9M · 2025$2M · 2026$1.5M · 2022-02-15 · 35 WILLIAM ST, ERMINGTON NSW 2115$1.9M · 2025-05-09 · 39 WILLIAM ST, ERMINGTON NSW 2115$2M · 2024-08-03 · 7 WILLIAM ST, ERMINGTON NSW 2115$2.2M · 2024-07-19 · 16 WILLIAM ST, ERMINGTON NSW 2115$3M · 2022-07-25 · 2 WILLIAM ST, ERMINGTON NSW 2115$1.7M · 2026-04-18 · 20 WILLIAM ST, ERMINGTON NSW 2115$1.2M · 2026-06-09 · 12A WILLIAM ST, ERMINGTON NSW 2115$1.7M · 2025-10-16 · 18A WILLIAM ST, ERMINGTON NSW 2115
Turnover rate19.5%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on William St, Ermington NSW 2115 over the past 5 years, plotted against the Ermington NSW 2115 median apartment price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$250k$500k$750k$1.0MSept 21May 23Jan 25Sept 26$680k · 2022$699k · 2023$724k · 2024$774k · 2025$740k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in William St, Ermington NSW 2115 : Street Profile & FAQs

Common questions about living on and buying property on William St, Ermington NSW 2115 — 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 Ermington?

There are insufficient recent house sales on William St to calculate a reliable premium or discount against the Ermington average. Buyers should compare recent sales of individual homes on the street against nearby comparable properties to gauge current market positioning.

What are the risk and overlay factors on William St?

There are no bushfire or heritage overlays on William St. Two properties fall within a flood overlay, eight are recommended for a flood check, and 31 fall under other flood classifications. The flood overlay and recommended check warrant reviewing council mapping, flood reports, and insurance costs before purchasing. The other classification indicates no flood risk identified or not mapped. High-voltage powerlines under 100m affect 41 properties.

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

9 homes sit above the street; 20 homes sit level with the street; 11 homes sit below the street. Different site heights relative to the street can influence site characteristics, but specific outcomes depend on the individual property. Buyers should assess the specific property rather than relying on the street average.

What type of road is William St?

William St is a local road. Local roads generally serve nearby residents. Information regarding the speed limit and the share of stock fronting this road section is unavailable.

Is William St mostly houses or apartments?

There are 50 residential properties on William St. Houses make up 82% of the residential stock, while apartments make up 0%. The street is predominantly houses.

What are the major apartment developments on William St?

No major apartment developments are recorded on William St.

How many properties have sold on William St?

3 houses sold in the past 12 months, and 0 apartments sold. The 5-year turnover rate for houses is 19.5%, representing the proportion of properties that changed ownership during the past five years. Apartment turnover data is unavailable.

Is William St a good street to buy property on?

William St is a local road with 50 residential properties, predominantly houses (82%). There are no major apartment developments. Buyers looking for detached houses on a local residential street may find it aligned with their needs. Buyers should consider the high-voltage powerline proximity affecting 41 properties, the mixed site heights, and the flood classifications when making a decision.