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Theresa St, Blacktown NSW 2148

Street

Street Summary

Theresa St, Blacktown NSW 2148 is a local road where 13 homes sit level with the street. The street is entirely house stock, with 10 homes recommended for a flood check and 4 properties having other flood classifications. 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 Theresa 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 Theresa 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
13 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 Theresa 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$2.0MSept 21May 23Jan 25Sept 26$895k · 2022$947k · 2023$1M · 2024$1.1M · 2025$1.2M · 2026$881k · 2021-11-13 · 7 THERESA ST, BLACKTOWN NSW 2148$1.1M · 2023-06-29 · 10 THERESA ST, BLACKTOWN NSW 2148$970k · 2022-03-19 · 11 THERESA ST, BLACKTOWN NSW 2148
Turnover rate21.4%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Theresa 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 Theresa St, Blacktown NSW 2148 : Street Profile & FAQs

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

There are insufficient recent house sales on Theresa 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 Theresa St?

There are no bushfire, heritage, or high-voltage overlays on Theresa St. Ten properties are recommended for a flood check, while four 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 Theresa St mostly on high, level or low ground?

13 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 Theresa St?

Theresa St is a local road. Local roads generally serve nearby residents and connect directly to collector or arterial roads, providing a quiet residential environment.

Is Theresa St mostly houses or apartments?

Theresa St has 14 residential properties, with 100% being houses and 0% apartments. The street is predominantly houses.

What are the major apartment developments on Theresa St?

No major apartment developments are recorded on Theresa St.

How many properties have sold on Theresa St?

No houses or apartments have sold on Theresa St in the past 12 months. The 5-year turnover rate for houses is 28.6%, meaning 28.6% of the properties changed ownership during the past five years.

Is Theresa St a good street to buy property on?

Theresa St is a local road with 14 residential properties, all of which are houses. It is well-suited for buyers looking for detached houses on a quiet residential street. The street has no bushfire, heritage, or high-voltage overlays, though ten properties are recommended for a flood check. The 5-year house turnover rate is 28.6%.