SuburbCheck

Osterley vs Seaham

The verdict

Osterley is more affordable, with a median house price of $1.30M versus $1.36M in Seaham. Seaham rates higher for education (41 vs 32). Osterley is closer to the coast (20.1 km vs 21.9 km).

Scores

OsterleySeaham
OsterleySeaham
Overall2528
Transport2119
Education3241
Liveability2227

Overall is based on transport, liveability & education — the metrics available at consistent quality nationwide. Residential safety is compared separately below.

Demographics

OsterleySeaham
Population1321,011
Median age4741
Median household income (wk)$2,562$2,312
Bachelor degree or higher17.7%24.7%
Born in Australia92.4%93.3%
Avg household size3.23.1

Growth: Osterley Moderate Growth · Seaham Moderate Growth

Property

OsterleySeaham
Median house price$1.30M$1.36M
Median unit priceData not availableData not available
House price YoYData not availableData not available
Median rent — house (wk)$600$600
Rental yield (house)Data not availableData not available
Days on market (house)Data not available46

Median price history

Safety

OsterleySeaham
Residential safety score92
Break & enter dwelling /100k00
Motor vehicle theft /100k099
Domestic assault /100k0495
Total incidents /100k (all)7585,440

Total incidents over time

Schools

OsterleySeaham
Total schools11
Government11
Independent00
Average ICSEA8851,001

See the full school list on each profile: Osterley · Seaham

Transport

OsterleySeaham
Transport score2119
Train stations00
Bus stops212
Light rail stops00
Ferry wharves00
CBD commute (min)Data not availableData not available
Nearest train station (km)6.3 km11.0 km

Liveability

OsterleySeaham
Summer max temp27.5°C27.5°C
Winter max temp18.0°C18.0°C
Annual rainfall (mm)1,1001,100
Supermarkets00
Cafes & restaurants00
Parks01
Playgrounds11
Swimming pools1Data not available
Medical GPs01
Distance to coast (km)20.1 km21.9 km
Distance to CBD (km)135.8 km141.7 km
Nearest beach (km)Data not availableData not available
Nearest hospital (km)9.6 km14.0 km

Population & growth

OsterleySeaham
Population (2021)1321,011
Estimated 20251371,048
Projected 20411581,209
Annual growth rate0.93%0.90%

Common questions

Which is more affordable, Osterley or Seaham?

Osterley is more affordable, with a median house price of $1.30M versus $1.36M.

Which has better schools, Osterley or Seaham?

Seaham has a higher average school ICSEA (Osterley 885 vs Seaham 1001; national average 1000).

Which has better public transport, Osterley or Seaham?

Osterley has the higher transport score (Osterley 21/100 vs Seaham 19/100).

Try another comparison

Compare two suburbs

Osterley

You might also want to compare

SuburbCheck

A free, data-driven tool to compare Australian suburbs on safety, schools, transport, property and liveability — built from public government data.

Data sources

ABS Census & ERP · Valuers-General · BOCSAR & state crime agencies · GTFS · ACARA · Bureau of Meteorology · OpenStreetMap.

Data is from public sources and may not reflect current conditions. Figures are indicative and should not be the sole basis for property or relocation decisions.

© 2026 SuburbCheck · Data refreshed quarterly.