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The Postern, Castlecrag NSW 2068

Street

Street Summary

The Postern in Castlecrag NSW 2068 is a local road where 93% of properties are houses. 3 homes sit above the street; 4 homes sit level with the street; 3 homes sit below the street. 12 homes are heritage-listed and 14 are recommended for a flood check. There are insufficient recent house sales to calculate a reliable comparison against the suburb median.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the The Postern, Castlecrag NSW 2068 property market.

Houses vs Apartments16 total lots
87.5%
6.2%
6.3%
Houses (87.5%)
Apartments (6.2%)
Townhouses/Villas/Unclassified (6.3%)

PART 2
Houses

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

Land Topography

How house lots on The Postern, Castlecrag NSW 2068 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
3 lots
4 lots
3 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
12 houses affected
Bushfire
1 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on The Postern, Castlecrag NSW 2068 over the past 5 years, plotted against the Castlecrag NSW 2068 median house price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$1.3M$2.5M$3.8M$5.0MSept 21May 23Jan 25Sept 26$4.1M · 2022$4.1M · 2023$4.3M · 2024$4.7M · 2025
Turnover rate0%Past 5 years

PART 3
Apartments

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Living in The Postern, Castlecrag NSW 2068 : Street Profile & FAQs

Common questions about living on and buying property on The Postern, Castlecrag NSW 2068 — 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 The Postern an expensive or affordable street relative to Castlecrag?

There are insufficient recent house sales on The Postern to calculate a reliable premium or discount against the Castlecrag 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 The Postern?

One property on The Postern is affected by a bushfire zone, and 12 properties are heritage-listed, meaning renovations or exterior changes may require additional council approval. There are no properties within a flood overlay, 14 are recommended for a flood check, and 0 fall under other flood classifications. No properties are near high-voltage powerlines. A flood check recommendation simply means further assessment is advised, not that a property floods.

Are properties on The Postern mostly on high, level or low ground?

3 homes sit above the street; 4 homes sit level with the street; 3 homes sit below the street. The street has a mixed profile of homes above, level with, and below 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 The Postern?

The Postern is a local road. Local roads generally serve nearby residents and connect directly to collector or arterial roads. As there is no specific traffic or noise data provided, buyers should visit the street at different times to assess the actual environment.

Is The Postern mostly houses or apartments?

The Postern has 15 residential properties. Houses make up 93.3% of the residential stock, while apartments make up 0%. The street is predominantly houses.

What are the major apartment developments on The Postern?

No major apartment developments are recorded on The Postern.

How many properties have sold on The Postern?

0 houses sold in the past 12 months, and 0 apartments sold in the past 12 months. The 5-year turnover rate for houses is 0, meaning no houses changed ownership during the past five years. Turnover data for apartments is unavailable.

Is The Postern a good street to buy property on?

The Postern is a local road with 15 residential properties, predominantly houses (93.3%). It offers a mixed profile of site heights, with homes sitting above, level with, and below the street. Buyers should note that 12 properties are heritage-listed, which may limit renovation flexibility, and one property is in a bushfire zone. With no recent sales, buyers should compare recent sales of individual homes on the street against nearby comparable properties to gauge current market positioning.