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Sullivan St, Blacktown NSW 2148

Street

Street Summary

Sullivan St, Blacktown NSW 2148 is a local road where homes sit above or level with the street. 2 homes sit above the street; 24 homes sit level with the street. 13 homes are near high-voltage powerlines. The street is entirely houses. 3 houses sold in the past 12 months. 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 Sullivan St, Blacktown NSW 2148 property market.

Houses vs Apartments30 total lots
100%
Houses (100%)
Apartments (0%)
Townhouses/Villas/Unclassified (0%)

PART 2
Houses

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

Land Topography

How house lots on Sullivan St, Blacktown NSW 2148 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-sideFlat
2 lots
24 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
13 houses affected

Street Sales - Houses

Actual house sales on Sullivan St, Blacktown NSW 2148 over the past 5 years, plotted against the Blacktown NSW 2148 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$500k$1.0M$1.5M$2.0MOct 21June 23Feb 25Oct 26$895k · 2022$947k · 2023$1M · 2024$1.1M · 2025$1.2M · 2026$840k · 2024-09-14 · 24 SULLIVAN ST, BLACKTOWN NSW 2148$935k · 2025-03-10 · 24 SULLIVAN ST, BLACKTOWN NSW 2148$995k · 2025-08-23 · 5 SULLIVAN ST, BLACKTOWN NSW 2148$1.2M · 2026-04-27 · 5 SULLIVAN ST, BLACKTOWN NSW 2148$1M · 2025-07-22 · 9 SULLIVAN ST, BLACKTOWN NSW 2148$1M · 2024-12-15 · 11 SULLIVAN ST, BLACKTOWN NSW 2148$1.2M · 2024-03-02 · 22 SULLIVAN ST, BLACKTOWN NSW 2148$882k · 2023-05-05 · 23 SULLIVAN ST, BLACKTOWN NSW 2148
Turnover rate26.7%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Sullivan St, Blacktown NSW 2148 over the past 5 years, plotted against the Blacktown NSW 2148 median apartment price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$125k$250k$375k$500kOct 21June 23Feb 25Oct 26$450k · 2022$459k · 2023$460k · 2024$450k · 2025$463k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in Sullivan St, Blacktown NSW 2148 : Street Profile & FAQs

Common questions about living on and buying property on Sullivan St, Blacktown NSW 2148 — 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 Sullivan St an expensive or affordable street relative to Blacktown?

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

There is no bushfire or heritage overlay on Sullivan St. No properties fall within a flood overlay or are recommended for a flood check, while 30 fall under other flood classifications indicating no flood risk identified or not mapped. However, 13 properties are located near high-voltage powerlines, which may influence insurance considerations or future development potential.

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

2 homes sit above the street; 24 homes sit level with the street. This indicates that the vast majority of homes on Sullivan St are level with the street, with a small number sitting above it. Different site heights relative to the street can influence site characteristics, so buyers should assess the specific property rather than relying on the street average.

What type of road is Sullivan St?

Sullivan St is a local road. Local roads generally serve nearby residents and provide access to properties without carrying significant through traffic. This classification typically suggests a quieter environment compared to collector or arterial roads, though actual traffic levels and noise depend on individual property positioning and local activity.

Is Sullivan St mostly houses or apartments?

Sullivan St has 30 residential properties, with 100% being houses and 0% being apartments. This means the street is entirely comprised of houses, duplexes, and terraces, with no apartment stock present. Buyers looking for detached homes or townhouses will find a consistent housing type, while apartment buyers will not find options on this street.

What are the major apartment developments on Sullivan St?

No major apartment developments are recorded on Sullivan St. The street consists entirely of houses, duplexes, and terraces, so there are no apartment projects to list. Buyers seeking higher-density living or apartment-style accommodation will not find these types of developments on this street.

How many properties have sold on Sullivan St?

3 houses sold on Sullivan St in the past 12 months, while no apartments sold. The 5-year turnover rate for houses is 26.7%, meaning 26.7% of the house stock changed ownership during the past five years. This turnover rate represents the proportion of properties that changed hands over that period.

Is Sullivan St a good street to buy property on?

Sullivan St may suit buyers looking for detached houses on a local residential street. The street offers a consistent housing mix of houses with no apartments, and most homes sit level with the street. Buyers should consider the high-voltage powerline proximity for 13 properties and the lack of recent sales data for pricing benchmarks. It is not suited for apartment buyers or those seeking high-density living.