Brooklyn vs Ku-Ring-Gai Chase, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Brooklyn (Hornsby rates (OLG) and Ku-Ring-Gai Chase (Northern Beaches rates (OLG) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (31.6 km and 27.3 km).
Ku-Ring-Gai Chase runs $1,221 a year cheaper than Brooklyn, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $13,997.
Over 10 years the gap between these two is about $14,000, about $27 a week, and most of it is the AI-estimated insurance line.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict → Personalise this comparison with your own commute, home type and loan → Neither quite right? Find the Sydney suburbs that fit your budget →Brooklyn
Ku-Ring-Gai Chase
Annual cost breakdown
| Category | Brooklyn | Ku-Ring-Gai Chase | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,541 | $1,766 | -$225 |
| Water & sewerage Official, 2026-27 | $1,548 | $1,548 | - |
| Commute (driving) Modelled, 2026-27 | $6,680 | $6,284 | +$396 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $2,650 | $1,600 | +$1,050 |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $12,419 | $11,198 | +$1,221 |
| Total (public transport) | $8,139 | $7,314 | +$825 |
Totals exclude electricity, estimated separately below. Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance estimated from ACCC premium rates; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Brooklyn | Ku-Ring-Gai Chase | Difference |
|---|---|---|---|
| House | $2,342 | $2,292 | +$50 |
| Unit | $1,909 | $1,871 | +$38 |
Estimated from AER residential benchmarks for each suburb's climate zone at 2026-27 regulated prices for each suburb's electricity network, including supply charge (AER Default Market Offer caps, or the QCA price in regional Queensland; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown, Brooklyn vs Ku-Ring-Gai Chase (2026-27)
What the numbers show
Brooklyn and Ku-Ring-Gai Chase differ by $1,221 a year by car, but $1,050 of that is the building insurance estimate rather than a published figure. On the sourced costs, council rates, water and the commute, the gap is $171, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $1,050 per year. Brooklyn carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $825 per year, $8,139 from Brooklyn versus $7,314 from Ku-Ring-Gai Chase.
Where the difference actually comes from
- Council rates favours Brooklyn by $225 a year, $1,541 against $1,766.
- Water and sewerage is identical at $1,548 a year.
- Driving commute favours Ku-Ring-Gai Chase by $396 a year, $6,284 against $6,680.
- Building insurance favours Ku-Ring-Gai Chase by $1,050 a year, $1,600 against $2,650.
They sit in different council areas, so the rates line is set by two different councils. For NSW that figure is the average residential rate reported to the Office of Local Government, uplifted by that council's IPART rate peg.
Flood risk is rated high in Brooklyn against low in Ku-Ring-Gai Chase, which feeds the insurance estimate. The catchment state school scores 9 in Ku-Ring-Gai Chase against 7.6 in Brooklyn, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Brooklyn cumulative | Ku-Ring-Gai Chase cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,419 | $11,198 | $1,221 |
| Year 3 | $38,386 | $34,612 | $3,774 |
| Year 5 | $65,934 | $59,452 | $6,482 |
| Year 10 | $142,370 | $128,373 | $13,997 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Brooklyn or Ku-Ring-Gai Chase cheaper to live in?
Neither is named cheaper. Brooklyn runs $12,419 a year by car and Ku-Ring-Gai Chase $11,198, but most of the $1,221 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $171. Source: SuburbCost 2026 data.
What are council rates in Brooklyn and Ku-Ring-Gai Chase?
Annual council rates for a house are $1,541 in Brooklyn (Hornsby rates (OLG) and $1,766 in Ku-Ring-Gai Chase (Northern Beaches rates (OLG). Water and sewerage adds $1,548 in Brooklyn and $1,548 in Ku-Ring-Gai Chase. Both figures are the average residential rate reported to the Office of Local Government, uplifted by each council's IPART rate peg.
How does the commute cost compare between Brooklyn and Ku-Ring-Gai Chase?
Annual driving commute costs are $6,680 from Brooklyn and $6,284 from Ku-Ring-Gai Chase to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Brooklyn and $2,400 from Ku-Ring-Gai Chase.
What is the 10-year cost difference between Brooklyn and Ku-Ring-Gai Chase?
At 3% annual cost growth, Brooklyn costs a cumulative $142,370 and Ku-Ring-Gai Chase costs $128,373 over 10 years by car. The cumulative difference is $13,997 in favour of Ku-Ring-Gai Chase. Excludes purchase price, mortgage, and personal expenses.
Which of Brooklyn and Ku-Ring-Gai Chase suits you better?
You've got the costs. Get the free personalised report for the rest: a clear verdict on which suburb wins, the full flood, fire and crime risk profile, nearest schools, estimated electricity cost by number of occupants, and your own loan or rent stress-tested over 10 years. No spam.
Related comparisons
Sources: Hornsby rates (OLG and Northern Beaches rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 91c/km, and SuburbCost insurance estimates from ACCC premium rates. Data updated July 2026.