Castlecrag vs Seaforth.
Comparing two suburbs with median house prices of $4,818,000 and $3,630,000.
Seaforth (median $3,630,000) is roughly 33% cheaper to buy into than Castlecrag ($4,818,000). Over the past year, Castlecrag (+15%) ran 17.7 percentage points ahead of Seaforth (-2.7%) on house-price growth.
Seaforth scores higher on walkability (10/100 vs 28/100 ), useful if you're optimising for a car-light household. On school quality, the average ICSEA across schools serving Castlecrag (1154) sits above Seaforth (1146).
For buyers
Seaforth is the lower entry point at $3,630,000 median, 33% below the other suburb. For first home buyers, that translates to a smaller deposit and lower stamp duty bill.
For investors
Investors face a yield-versus-growth split: Seaforth delivers the better gross yield (2.49% vs 1.65%), but Castlecrag has run faster on capital growth this year. The right pick depends on whether you're optimising for cash flow or capital appreciation.
For families
Castlecrag edges out on average school ICSEA (1154 vs 1146).
Common questions
Is Castlecrag or Seaforth cheaper to buy in?
Seaforth has the lower median house price at $3,630,000, roughly 33% below Castlecrag ($4,818,000). The gap on units is usually similar but worth checking on the full suburb profiles.
Which has stronger property growth, Castlecrag or Seaforth?
Over the past 12 months, Castlecrag grew +15% vs -2.7% in Seaforth, a gap of 17.7 percentage points. Twelve-month growth can swing year to year, so weight long-run trends from the individual suburb profiles before making a buy decision.
Does Castlecrag or Seaforth have better schools?
On average school ICSEA (the ACARA index that benchmarks educational advantage), Castlecrag scores 1154 vs 1146 in Seaforth. 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.
Which is more walkable, Castlecrag or Seaforth?
Seaforth scores 28/100 on walkability vs 10/100. Above 70 is considered very walkable (most errands on foot), 50-69 is walkable for some errands, below 50 typically requires a car for daily life.
Which suburb has higher rental yield, Castlecrag or Seaforth?
Gross rental yield on houses is 2.49% in Seaforth vs 1.65% in Castlecrag. Gross yield equals annual rent divided by purchase price. Net yield (after strata, rates, insurance, agent fees and maintenance) typically runs 1.5-2 percentage points lower.
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).
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