Castlereagh vs Londonderry

In both, the large majority of households own their home, the large majority of homes are detached houses, and most households are couple families. Houses cost more in Castlereagh: a median of $3.33 million, against $1.67 million in Londonderry, though rent is higher in Londonderry. On these figures, Londonderry tends to suit buyers on a tighter budget.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

They split

one each way, out of the 6 things we measure here

  • Castlereagh has more schools inside the suburb (3 vs 1)
  • Londonderry carries lower crime risk (57/100 vs 80/100)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Londonderry

ahead on 2 of the 3 things we measure here

  • has cheaper houses ($1,667,500 vs $3,330,000)
  • has cheaper land ($2,050,000 vs $2,580,000)

Weighs house prices, land prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Too close to call

Nothing among the 4 things we measure here separates them by enough to be worth acting on.

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Londonderry

ahead on the one thing that separates them

  • carries lower crime risk (57/100 vs 80/100)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs population growth.

Where they sit

Castlereagh and Londonderry drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Castlereagh Londonderry
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Castlereagh Londonderry
Walkability 35 / 28
Castlereagh — Walkability: 35/100 Londonderry — Walkability: 28/100
Safety 20 / 43
Castlereagh — Safety: 20/100 Londonderry — Safety: 43/100
Low fire risk 24 / 27
Castlereagh — Low fire risk: 24/100 Londonderry — Low fire risk: 27/100

Demographics

Londonderry has more residents (4,024 vs 1,248).

Castlereagh Londonderry
Population 1,248 4,024
+222% vs other
Population trend (2016 → 2021) +6.6% +3.0%
Median age 38
same for both
Median household income $123,240/yr
+9% vs other
 $112,216/yr
Median weekly rent $428/wk $460/wk
+7% vs other

Age profile

Share of residents in each band, 2021 Census.

Castlereagh Londonderry
0-4 6.6% / 6.0%
Castlereagh — 0-4: 6.6% Londonderry — 0-4: 6.0%
5-14 15.3% / 13.5%
Castlereagh — 5-14: 15.3% Londonderry — 5-14: 13.5%
15-19 6.2% / 7.2%
Castlereagh — 15-19: 6.2% Londonderry — 15-19: 7.2%
20-24 4.8% / 7.5%
Castlereagh — 20-24: 4.8% Londonderry — 20-24: 7.5%
25-34 12.5% / 11.7%
Castlereagh — 25-34: 12.5% Londonderry — 25-34: 11.7%
35-44 13.7% / 12.4%
Castlereagh — 35-44: 13.7% Londonderry — 35-44: 12.4%
45-54 10.5% / 13.7%
Castlereagh — 45-54: 10.5% Londonderry — 45-54: 13.7%
55-64 12.3% / 13.5%
Castlereagh — 55-64: 12.3% Londonderry — 55-64: 13.5%
65-74 11.5% / 9.5%
Castlereagh — 65-74: 11.5% Londonderry — 65-74: 9.5%
75-84 5.0% / 4.3%
Castlereagh — 75-84: 5.0% Londonderry — 75-84: 4.3%
85+ 1.8% / 1.1%
Castlereagh — 85+: 1.8% Londonderry — 85+: 1.1%

Bars are drawn against the largest share shown (15.3%).

Who lives together

Household composition, 2021 Census.

Castlereagh 63.7% couple families
Castlereagh — Couple Families: 63.7% Castlereagh — Lone Person: 16.5% Castlereagh — One Parent Families: 14.7% Castlereagh — Group Household: 4.0% Castlereagh — Other Families: 1.1%
Londonderry 59.4% couple families
Londonderry — Couple Families: 59.4% Londonderry — Lone Person: 17.6% Londonderry — One Parent Families: 19.1% Londonderry — Group Household: 2.3% Londonderry — Other Families: 1.6%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Castlereagh 17.8% renting
Castlereagh — Owned Outright: 46.7% Castlereagh — Mortgage: 35.5% Castlereagh — Renting: 17.8%
Londonderry 22.0% renting
Londonderry — Owned Outright: 37.7% Londonderry — Mortgage: 40.3% Londonderry — Renting: 22.0%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Castlereagh Londonderry
Certificate III & IV 20.8% / 19.8%
Castlereagh — Certificate III & IV: 20.8% Londonderry — Certificate III & IV: 19.8%
Bachelor Degree 8.9% / 4.9%
Castlereagh — Bachelor Degree: 8.9% Londonderry — Bachelor Degree: 4.9%
Advanced Diploma / Diploma 7.1% / 5.7%
Castlereagh — Advanced Diploma / Diploma: 7.1% Londonderry — Advanced Diploma / Diploma: 5.7%
Postgraduate Degree 1.4% / 1.1%
Castlereagh — Postgraduate Degree: 1.4% Londonderry — Postgraduate Degree: 1.1%
Graduate Diploma / Certificate 1.3% / 0.9%
Castlereagh — Graduate Diploma / Certificate: 1.3% Londonderry — Graduate Diploma / Certificate: 0.9%

Bars are drawn against the largest share shown (20.8%).

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Castlereagh Londonderry
England 2.6% / 2.5%
Castlereagh — England: 2.6% Londonderry — England: 2.5%
New Zealand 0.5% / 1.4%
Castlereagh — New Zealand: 0.5% Londonderry — New Zealand: 1.4%
Italy 1.3% / 0.5%
Castlereagh — Italy: 1.3% Londonderry — Italy: 0.5%
India 0.6% / 0.7%
Castlereagh — India: 0.6% Londonderry — India: 0.7%
Germany 0.8% / —
Castlereagh — Germany: 0.8% Londonderry — Germany: not among its largest
Greece 0.6% / —
Castlereagh — Greece: 0.6% Londonderry — Greece: not among its largest
China — / 0.6%
Castlereagh — China: not among its largest Londonderry — China: 0.6%

Bars are drawn against the largest share shown (2.6%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Castlereagh 97.1% houses
Castlereagh — Houses: 97.1% Castlereagh — Flats / Apartments: 2.9% Castlereagh — Townhouses: 0.0%
Londonderry 95.7% houses
Londonderry — Houses: 95.7% Londonderry — Flats / Apartments: 3.9% Londonderry — Townhouses: 0.3%
Houses Flats / Apartments Townhouses

Property market

Castlereagh Londonderry
Median house price $3,330,000 $1,667,500
Median unit price — $915,000
Median land price $2,580,000 $2,050,000
Typical days to sell (houses) 122 days
from 4 sales
 65 days
from 7 sales

Zoning mix

Londonderry has more rural and farming land (68% vs 19%); Castlereagh has more land zoned for conservation (23% vs 10%).

Castlereagh Londonderry
Rural and farming 19% 68%
Other and special use 65% 19%
Environmental 23% 10%
Infrastructure and transport 2% 3%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Castlereagh Londonderry
New dwellings approved 1,063
across Penrith
same for both
Approvals change year on year -78%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Castlereagh Londonderry
Houses — 3.6%
$900/wk on $1.3M
Units —
same for both

Ranking within NSW

Castlereagh Londonderry
House price Higher than 93% of NSW Higher than 83% of NSW
Income Higher than 85% of NSW Higher than 78% of NSW
Schools Higher than 72% of NSW —
Walkability Higher than 77% of NSW Higher than 74% of NSW
Affordability Higher than 10% of NSW Higher than 28% of NSW
EV adoption Higher than 67% of NSW Higher than 49% of NSW
NBN connectivity Higher than 63% of NSW Higher than 89% of NSW
Rental yield (houses) — Higher than 51% of NSW

Liveability

Castlereagh scores higher overall (44 vs 33).

Castlereagh Londonderry
Grade C
same for both
Score 44/100 33/100
Socio-economic band advantaged area
decile 8/10
 mid-range socio-economic
decile 5/10

Risk profile

Castlereagh carries more crime risk (80 vs 57).

Castlereagh Londonderry
Bushfire High
76/100
 High
73/100
Crime High
80/100
 Moderate
57/100
Flood Not mapped
no mapped data here
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 0
within 5 km
 2
within 5 km

Schools

Castlereagh Londonderry
Inside the suburb 3 1
Rated above peers 1 0
Rated at peers 0
same for both
Rated below peers 1
same for both
Universities within 10 km 1
Western Sydney University - Penrith, 9.5 km
 None

Schools in Castlereagh

  • Castlereagh Public School Government · Primary above peers
  • The Lakes Christian College Independent · Combined below peers
  • Penrith Lakes Environmental Education Centre Government · Combined

Schools in Londonderry

  • Londonderry Public School Government · Primary below peers

Amenities in the suburb

Castlereagh Londonderry
Cafes & restaurants 3 1
Parks & reserves 2 1
Childcare 2 3
Banks & Bank@Post 0 1
Fuel stations 0 2
Waterways 12 6

Mobility

Castlereagh Londonderry
Walkability score 35/100 28/100
Distance to Sydney 65.4 km 66.3 km
+1% vs other
Drive time (normal traffic) 59 min
same for both
Public transport score 42/100
Bus
 69/100
Bus
Peak arrivals per hour 12.2
7-9am + 5-7pm
 43.0
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
same for both
Electric vehicle share 0.7%
postcode 2749
 0.5%
postcode 2753
Rooftop solar per 100 dwellings 49
postcode 2749
 40
postcode 2753

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Castlereagh Londonderry
Car (driver) 54.7% / 64.7%
Castlereagh — Car (driver): 54.7% Londonderry — Car (driver): 64.7%
Worked from Home 36.1% / 27.0%
Castlereagh — Worked from Home: 36.1% Londonderry — Worked from Home: 27.0%
Car (passenger) 4.5% / 3.8%
Castlereagh — Car (passenger): 4.5% Londonderry — Car (passenger): 3.8%
Walked Only 3.9% / 3.3%
Castlereagh — Walked Only: 3.9% Londonderry — Walked Only: 3.3%
Train 0.9% / 0.7%
Castlereagh — Train: 0.9% Londonderry — Train: 0.7%

Bars are drawn against the largest share shown (64.7%).

Setting

Castlereagh Londonderry
Elevation 31 m
above sea level, at the suburb centre
 26 m
above sea level, at the suburb centre

NBN connectivity

Castlereagh Londonderry
Connectivity score 31/100 80/100
Most common technology Fixed wireless Fibre to the premises
Full-fibre (FTTP) share 1%
388 premises
 72%
1,360 premises

Climate

Castlereagh Londonderry
Annual rainfall 806 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

Castlereagh Londonderry
PM2.5 7.2 µg/m³ 6.3 µg/m³
PM10 16.3 µg/m³ 14.5 µg/m³
NO₂ 0.6 pphm 0.23 pphm

Council rates

Castlereagh Londonderry
Average residential rate $1,547/yr
same for both
Council Penrith
same for both

Federal electorate

Castlereagh Londonderry
Division Lindsay
same for both
Member Melissa Mcintosh
same for both
Party Liberal
same for both

First Home Owner Grant

Castlereagh Londonderry
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Castlereagh

Acreage Premium River

Londonderry

Acreage Outer

More comparisons

Other comparisons with Castlereagh

Castlereagh vs Penrith Castlereagh vs Cranebrook Castlereagh vs Emu Plains Castlereagh vs Emu Heights Castlereagh vs Yellow Rock Castlereagh vs Agnes Banks

Other comparisons with Londonderry

Londonderry vs Cranebrook Londonderry vs South Windsor Londonderry vs Richmond Londonderry vs Berkshire Park Londonderry vs Llandilo Londonderry vs Windsor Downs
Full data on Castlereagh Full data on Londonderry
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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