Mary Helen Ct, Baulkham Hills NSW 2153

Street

Street Summary

Mary Helen Ct, Baulkham Hills NSW 2153 is a quiet court street with 14 residential properties, all of which are houses. The street features a mix of elevated and level homes, with 1 property on the high side, 7 level, and 5 on the low side. Fourteen homes are subject to high-voltage powerline proximity, and one property has an alternative flood classification. There are no bushfire, heritage, or standard flood overlay risks recorded. With 2 house sales in the last 12 months and a 35.7% turnover rate over 5 years, the street offers a stable residential environment.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Mary Helen Ct, Baulkham Hills NSW 2153 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 Mary Helen Ct, Baulkham Hills NSW 2153 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
1 lots
7 lots
5 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
14 houses affected

Street Sales - Houses

Actual house sales on Mary Helen Ct, Baulkham Hills NSW 2153 over the past 5 years, plotted against the Baulkham Hills NSW 2153 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MJuly 21Mar 23Nov 24July 26$1.7M · 2022$1.8M · 2023$1.9M · 2024$2M · 2025$1.9M · 2026$2.6M · 2025-07-11 · 12 MARY HELEN CT, BAULKHAM HILLS NSW 2153$2.1M · 2023-11-11 · 14 MARY HELEN CT, BAULKHAM HILLS NSW 2153$1.8M · 2025-03-11 · 15 MARY HELEN CT, BAULKHAM HILLS NSW 2153$2.7M · 2025-07-11 · 3 MARY HELEN CT, BAULKHAM HILLS NSW 2153$2.6M · 2024-09-20 · 8 MARY HELEN CT, BAULKHAM HILLS NSW 2153
Turnover rate35.7%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Mary Helen Ct, Baulkham Hills NSW 2153 over the past 5 years, plotted against the Baulkham Hills NSW 2153 median apartment price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$250k$500k$750k$1.0MJuly 21Mar 23Nov 24July 26$680k · 2022$737k · 2023$709k · 2024$760k · 2025$750k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in Mary Helen Ct, Baulkham Hills NSW 2153 : Street Profile & FAQs

Common questions about living on and buying property on Mary Helen Ct, Baulkham Hills NSW 2153 — 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 Mary Helen Ct an expensive or affordable street relative to Baulkham Hills?

There is insufficient sales data to determine whether Mary Helen Ct is above, around, or below the Baulkham Hills suburb house median. The Street Price Index is 0, meaning a reliable premium or discount comparison cannot be calculated for houses on this street.

What are the risk and overlay factors on Mary Helen Ct?

Mary Helen Ct has no bushfire, heritage, or flood overlay risk. However, 14 properties are recommended for a flood check, and 14 fall under other flood classifications, which typically means no flood risk was identified or the property was not mapped. Additionally, 14 homes are located near high-voltage powerlines, which may affect insurance premiums or future development options.

Are properties on Mary Helen Ct mostly on high, level or low ground?

The street features a mixed elevation profile with 7 level-side homes, 5 low-side homes, and 1 high-side home. Because level-side properties form the largest group but do not constitute a clear majority, the street is best described as having a mixed elevation profile rather than being predominantly one type.

What type of road is Mary Helen Ct?

Road classification, speed limit, and dominant road percentage data are unavailable for Mary Helen Ct. Therefore, an objective description of the road hierarchy or traffic characteristics cannot be provided based on the available information.

Is Mary Helen Ct mostly houses or apartments?

Mary Helen Ct is entirely composed of houses, with 14 residential properties and a 100% house share. There are no apartments on the street, making it a purely low-density residential street.

What are the major apartment developments on Mary Helen Ct?

No major apartment developments are recorded on Mary Helen Ct. The street consists entirely of detached houses, duplexes, and terraces, with no apartment projects present.

How many properties have sold on Mary Helen Ct?

Two houses sold on Mary Helen Ct in the past 12 months, with zero apartments sold. The 5-year turnover rate for houses is 35.7%, indicating that over a third of the street's homes changed ownership during that period.

Is Mary Helen Ct a good street to buy property on?

Mary Helen Ct suits buyers seeking a quiet, low-density street of detached homes in Baulkham Hills. It is a good fit for those comfortable with mixed elevations and high-voltage powerline proximity, but may not suit buyers seeking apartment living or those requiring detailed road traffic data.