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Allay St, Blacktown NSW 2148

Street

Street Summary

Living on Allay St, Blacktown NSW 2148, you will find a quiet residential street where 14 homes sit level with the street. The area is entirely house stock with no apartments. Eight properties are recommended for a flood check, while six have other flood classifications that do not indicate flood risk. There are insufficient recent house sales to calculate a reliable comparison against the suburb median, 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 Allay St, Blacktown NSW 2148 property market.

Houses vs Apartments14 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 Allay 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
Flat
14 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 Allay 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
Suburb Median Price
$0$500k$1.0M$1.5M$2.0MSept 21May 23Jan 25Sept 26$895k · 2022$947k · 2023$1M · 2024$1.1M · 2025$1.2M · 2026
Turnover rate0%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Allay 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$500kSept 21May 23Jan 25Sept 26$440k · 2022$460k · 2023$460k · 2024$450k · 2025$470k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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

Common questions about living on and buying property on Allay 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 Allay St an expensive or affordable street relative to Blacktown?

There are insufficient recent house sales on Allay 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 Allay St?

There are no bushfire, heritage, or high-voltage overlays on Allay St. Flood mapping shows 8 properties are recommended for a flood check, while 6 fall under other flood classifications indicating no flood risk identified or not mapped. A flood check recommendation does not necessarily mean a property floods, but it is worth reviewing council mapping, flood reports and insurance costs before purchasing.

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

14 homes sit level with the street. Different site heights relative to the street can influence site characteristics, but buyers should assess the specific property rather than relying on the street average.

What type of road is Allay St?

Allay St is a local road. Local roads generally serve nearby residents and connect to larger collector or arterial roads, providing a residential environment without carrying significant through traffic.

Is Allay St mostly houses or apartments?

Allay St has 14 residential properties, all of which are houses. The street is entirely composed of houses, with no apartments present.

What are the major apartment developments on Allay St?

No major apartment developments are recorded on Allay St.

How many properties have sold on Allay St?

There have been 0 houses and 0 apartments sold on Allay St in the past 12 months. The 5-year turnover rate for houses is 0, meaning no properties changed ownership in the last five years. Turnover data for apartments is unavailable.

Is Allay St a good street to buy property on?

Allay St is a quiet local road consisting entirely of 14 houses. It is well-suited for buyers seeking detached homes in a low-density, stable environment with no major overlays or developments. The lack of recent sales and apartment stock makes it a niche option for those prioritising established housing over investment liquidity or apartment living.