Seaham vs Osterley.
Suburb-to-suburb comparison across price, growth, lifestyle, schools and risk. Seaham edges out on more headline metrics in this comparison.
On school quality, the average ICSEA across schools serving Seaham (964) sits above Osterley (941). Osterley skews owner-occupied (103%), Seaham runs more rental-dense (92% owner).
For buyers
We don't yet have verified suburb-level medians for one or both of these suburbs. Check the individual profiles for the data we do publish, and the methodology page for how we source it.
For investors
Rental or growth data is incomplete for one or both suburbs. Look at the full investor view on each suburb profile for a complete picture.
For families
Seaham edges out on average school ICSEA (964 vs 941).
Common questions
Does Seaham or Osterley have better schools?
On average school ICSEA (the ACARA index that benchmarks educational advantage), Seaham scores 964 vs 941 in Osterley. ICSEA is a school-community indicator, not a quality rating, so always check NAPLAN results and catchment boundaries for the specific address you're considering.
The numbers behind the take
Price & Market
Rental
Lifestyle & Demographics
Risk & Hazard
Schools
Climate
Green dot = better on that metric (lower price, higher growth, higher walkability, lower risk).
Compare Seaham against another suburb