Get the app

Lock St, Blacktown NSW 2148

Street

Street Summary

Lock St, Blacktown NSW 2148 sits at the suburb's house median. The street is a local road. 10 homes sit above the street; 53 homes sit level with the street; 26 homes sit below the street. 25 homes are recommended for a flood check. The street is entirely houses. 3 houses sold in the past 12 months, with a 5-year turnover rate of 21.6%.


PART 1
Street Profile

Property Type Mix

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

Houses vs Apartments97 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 Lock 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
10 lots
53 lots
26 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 Lock 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$1.2M · 2021-12-09 · 24 LOCK ST, BLACKTOWN NSW 2148$1.2M · 2023-09-28 · 24 LOCK ST, BLACKTOWN NSW 2148$1.1M · 2021-12-09 · 25 LOCK ST, BLACKTOWN NSW 2148$790k · 2023-03-25 · 28 LOCK ST, BLACKTOWN NSW 2148$1.5M · 2023-06-29 · 3 LOCK ST, BLACKTOWN NSW 2148$1.7M · 2025-08-31 · 3 LOCK ST, BLACKTOWN NSW 2148$836k · 2022-05-02 · 30 LOCK ST, BLACKTOWN NSW 2148$850k · 2023-07-22 · 57 LOCK ST, BLACKTOWN NSW 2148$1.3M · 2022-12-23 · 66 LOCK ST, BLACKTOWN NSW 2148$1.3M · 2025-12-13 · 79 LOCK ST, BLACKTOWN NSW 2148$1M · 2026-04-29 · 70 LOCK ST, BLACKTOWN NSW 2148$900k · 2022-04-26 · 16 LOCK ST, BLACKTOWN NSW 2148$975k · 2022-06-20 · 23 LOCK ST, BLACKTOWN NSW 2148$1.2M · 2025-02-25 · 23 LOCK ST, BLACKTOWN NSW 2148$860k · 2021-11-25 · 34 LOCK ST, BLACKTOWN NSW 2148$1M · 2024-11-09 · 36 LOCK ST, BLACKTOWN NSW 2148$930k · 2022-05-23 · 50 LOCK ST, BLACKTOWN NSW 2148$1M · 2025-06-17 · 33 LOCK ST, BLACKTOWN NSW 2148$1.4M · 2024-06-23 · 20A LOCK ST, BLACKTOWN NSW 2148
Street price0%vs suburb median
Turnover rate19.6%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Lock 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

Get the knest.ai app

Gain ultimate insights into any property

Buyer-focused property platform identifying risks, price estimates, 3D land maps and more to help you make smarter decisions — completely free.

Download on the App Store
5.0 rating
15k users

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

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

House prices on Lock St sit 0.54% above the Blacktown suburb house median.

What are the risk and overlay factors on Lock St?

There are no bushfire, heritage, flood overlay, or high-voltage overlays on Lock St. However, 25 properties are recommended for a flood check, meaning further assessment is advised. Additionally, 72 properties fall under other flood classifications, indicating no flood risk has been identified or the property has not been mapped. Buyers should review council mapping and insurance costs before purchasing.

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

10 homes sit above the street; 53 homes sit level with the street; 26 homes sit below the street.

What type of road is Lock St?

Lock St is a local road. Local roads generally serve nearby residents and connect directly to collector or arterial roads. As traffic data is not available, buyers should visit the street at different times to gauge actual traffic and noise levels.

Is Lock St mostly houses or apartments?

There are 97 residential properties on Lock St. The street is predominantly houses, with 100% of the residential stock classified as houses and 0% as apartments.

What are the major apartment developments on Lock St?

No major apartment developments are recorded on Lock St.

How many properties have sold on Lock St?

3 houses sold in the past 12 months, while no apartments sold. The 5-year turnover rate for houses is 21.6%, representing the proportion of properties that changed ownership during the past five years.

Is Lock St a good street to buy property on?

Lock St is best suited for buyers seeking detached houses on a local residential road. The street offers a mixed profile of site heights, with homes sitting above, level with, and below the street. While there are no bushfire or heritage overlays, 25 properties are recommended for a flood check, which buyers should review. The street is priced slightly above the Blacktown suburb median.