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 $1,271 a year cheaper than Brooklyn, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $14,571.
Over 10 years, Ku-Ring-Gai Chase costs about $14,600 less to run than Brooklyn — the same as paying $14,600 less for the home. It's the cost no listing shows you.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Brooklyn
Ku-Ring-Gai Chase
Annual cost breakdown
| Category | Brooklyn | Ku-Ring-Gai Chase | Difference |
|---|---|---|---|
| Council rates | $1,541 | $1,766 | -$225 |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $6,680 | $6,284 | +$396 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,650 | $2,550 | +$1,100 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $13,419 | $12,148 | +$1,271 |
| Total (public transport) | $9,139 | $8,264 | +$875 |
Green = cheaper. Commute: ATO 91c/km, 220 working days. Insurance AI-estimated; 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
Ku-Ring-Gai Chase costs $1,271 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $14,571 in favour of Ku-Ring-Gai Chase.
The biggest single gap is home insurance at $1,100 per year. Brooklyn carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $875 per year, $9,139 from Brooklyn versus $8,264 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 $1,100 a year, $2,550 against $3,650.
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 | $13,419 | $12,148 | $1,271 |
| Year 3 | $41,477 | $37,548 | $3,929 |
| Year 5 | $71,243 | $64,495 | $6,748 |
| Year 10 | $153,834 | $139,263 | $14,571 |
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?
Ku-Ring-Gai Chase is cheaper to run by car at $12,148 per year versus $13,419 for Brooklyn, a difference of $1,271 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. 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 $153,834 and Ku-Ring-Gai Chase costs $139,263 over 10 years by car. The cumulative difference is $14,571 in favour of Ku-Ring-Gai Chase. Excludes purchase price, mortgage, and personal expenses.
Which of Brooklyn and Ku-Ring-Gai Chase is best to actually live in?
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.
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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 AI insurance estimates. Data updated July 2026.