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Helen St, Sefton NSW 2162

Street

Street Summary

Helen St, Sefton NSW 2162 is a local road where 68% of residences are houses and 23% are apartments. 9 homes sit above the street; 45 homes sit level with the street; 6 homes sit below the street. 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. The street features one apartment project at 67 Helen St with 24 lots across 3 levels.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Helen St, Sefton NSW 2162 property market.

Houses vs Apartments111 total lots
67.6%
22.5%
9.9%
Houses (67.6%)
Apartments (22.5%)
Townhouses/Villas/Unclassified (9.9%)

PART 2
Houses

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

Land Topography

How house lots on Helen St, Sefton NSW 2162 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
45 lots
6 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
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Helen St, Sefton NSW 2162 over the past 5 years, plotted against the Sefton NSW 2162 median house 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$1.1M · 2022$1.2M · 2023$1.3M · 2024$1.4M · 2025$1.4M · 2026$1.4M · 2021-11-27 · 1 HELEN ST, SEFTON NSW 2162$1.5M · 2022-04-08 · 1 HELEN ST, SEFTON NSW 2162$1.3M · 2025-03-08 · 109 HELEN ST, SEFTON NSW 2162$1.1M · 2022-03-14 · 115 HELEN ST, SEFTON NSW 2162$1.4M · 2025-10-03 · 18 HELEN ST, SEFTON NSW 2162$1.1M · 2024-02-17 · 81 HELEN ST, SEFTON NSW 2162$1.1M · 2021-12-14 · 115A HELEN ST, SEFTON NSW 2162
Turnover rate9.3%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Helen St, Sefton NSW 2162 over the past 5 years, plotted against the Sefton NSW 2162 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$365k · 2022$482k · 2023$504k · 2024$510k · 2025
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

Largest Apartment Projects

The largest apartment projects on Helen St, Sefton NSW 2162, ranked by number of lots.

1
67 HELEN ST, SEFTON NSW 2162Small-Medium project (20-50 lots)

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Living in Helen St, Sefton NSW 2162 : Street Profile & FAQs

Common questions about living on and buying property on Helen St, Sefton NSW 2162 — 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 Helen St an expensive or affordable street relative to Sefton?

There are insufficient recent house sales on Helen St to calculate a reliable premium or discount against the Sefton 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 Helen St?

There is no bushfire, heritage, or flood overlay risk on Helen St, and no properties are exposed to high-voltage powerlines. However, 75 properties fall under other flood classifications, which means no flood risk has been identified or the property has not been mapped for flood. This is a neutral classification rather than a risk factor.

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

9 homes sit above the street; 45 homes sit level with the street; 6 homes sit below the street. The street has a mixed profile of homes above, level with, and below the street. Different site heights can influence site characteristics, so buyers should assess the specific property rather than relying on the street average.

What type of road is Helen St?

Helen St is a local road, which generally serves nearby residents. The speed limit and the share of stock fronting this dominant road section are not available.

Is Helen St mostly houses or apartments?

Helen St has 111 residential properties. Houses make up 67.6% of the residential stock, while apartments make up 22.5%. Because houses represent the majority of residential properties, the street is predominantly houses.

What are the major apartment developments on Helen St?

There is one major apartment development recorded on Helen St: 67 Helen St, Sefton NSW 2162. It contains 24 lots across 3 levels. These developments contribute to the street's apartment presence or higher-density residential character.

How many properties have sold on Helen St?

1 house sold in the past 12 months, and 0 apartments sold in the past 12 months. The 5-year turnover rate for houses is 9.3%, while the turnover rate for apartments is 0%. Turnover measures the proportion of properties that changed ownership during the past five years.

Is Helen St a good street to buy property on?

Helen St is a local road with a predominantly house profile, making it well-suited for buyers looking for detached houses. Apartment buyers may find options within the 67 Helen St development. The street offers a mix of site heights and has no bushfire, heritage, or flood overlay risk, though 75 properties have no flood risk identified or are not mapped.