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Harold St, Blacktown NSW 2148

Street

Street Summary

Harold St, Blacktown NSW 2148 sits above the suburb’s house median. The street is predominantly houses, with 97.4% of residential stock classified as such. 9 homes sit above the street; 74 homes sit level with the street; 11 homes sit below the street. One home is heritage-listed, and 25 homes are recommended for a flood check. Six houses sold in the past 12 months, with a 5-year turnover rate of 16.1%.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Harold St, Blacktown NSW 2148 property market.

Houses vs Apartments115 total lots
97.4%
2.6%
Houses (97.4%)
Apartments (0%)
Townhouses/Villas/Unclassified (2.6%)

PART 2
Houses

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

Land Topography

How house lots on Harold 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-sideFlatLow-side
9 lots
74 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
1 houses affected
Bushfire
0 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Harold 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$960k · 2025-12-17 · 103 HAROLD ST, BLACKTOWN NSW 2148$1.1M · 2022-01-27 · 11 HAROLD ST, BLACKTOWN NSW 2148$930k · 2024-12-20 · 4 HAROLD ST, BLACKTOWN NSW 2148$1M · 2025-04-17 · 43 HAROLD ST, BLACKTOWN NSW 2148$797k · 2023-11-26 · 55A HAROLD ST, BLACKTOWN NSW 2148$1.2M · 2023-01-29 · 27 HAROLD ST, BLACKTOWN NSW 2148$991k · 2025-05-24 · 59 HAROLD ST, BLACKTOWN NSW 2148$1.5M · 2026-03-29 · 59 HAROLD ST, BLACKTOWN NSW 2148$650k · 2022-08-26 · 83 HAROLD ST, BLACKTOWN NSW 2148$575k · 2025-10-22 · 84 HAROLD ST, BLACKTOWN NSW 2148$1.4M · 2024-07-11 · 90 HAROLD ST, BLACKTOWN NSW 2148$1.6M · 2026-02-15 · 90 HAROLD ST, BLACKTOWN NSW 2148$1.2M · 2022-03-11 · 98 HAROLD ST, BLACKTOWN NSW 2148$1M · 2025-07-11 · 7 HAROLD ST, BLACKTOWN NSW 2148$672k · 2022-12-11 · 16 HAROLD ST, BLACKTOWN NSW 2148$1.3M · 2025-04-15 · 17 HAROLD ST, BLACKTOWN NSW 2148
Street price+14%vs suburb median
Turnover rate14.3%Past 5 years

PART 3
Apartments

Street Sales - Apartments

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

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

House prices on Harold St are 14.02% above the Blacktown suburb house median.

What are the risk and overlay factors on Harold St?

There are no bushfire or high-voltage overlays, and no properties fall within a flood overlay. One property is heritage-listed, meaning renovations or exterior changes may require additional council approval. Twenty-five homes are recommended for a flood check, and 87 fall under other flood classifications indicating no flood risk identified or not mapped. Buyers should review council mapping, flood reports, and insurance costs before purchasing.

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

9 homes sit above the street; 74 homes sit level with the street; 11 homes sit below the street.

What type of road is Harold St?

Harold St is a local road serving nearby residents. As a local road, it generally connects smaller streets rather than carrying through traffic. Specific speed limits and the exact share of properties fronting this road section are not available.

Is Harold St mostly houses or apartments?

Harold St has 115 residential properties, with 97.4% being houses and 0% being apartments. This means the street is predominantly houses.

What are the major apartment developments on Harold St?

No major apartment developments are recorded on Harold St.

How many properties have sold on Harold St?

6 houses sold in the past 12 months, and 0 apartments sold. The 5-year turnover rate for houses is 16.1%, meaning 16.1% of houses changed ownership during the past five years. Apartment turnover data is unavailable.

Is Harold St a good street to buy property on?

Harold St is best suited for buyers looking for detached houses on a local residential street. With prices 14.02% above the Blacktown suburb median, it suits those willing to pay a premium. Buyers should note the single heritage listing, the 16.1% house turnover, and the 25 flood check recommendations. It is not suitable for apartment buyers.