Mount Colah vs Mount Kuring-Gai: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Mount Colah and Mount Kuring-Gai are both Hornsby rates (OLG suburbs, sitting 23.2 km and 25.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Mount Colah runs $341 a year cheaper than Mount Kuring-Gai, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $3,909.
Over 10 years these two cost about the same to run. The difference here isn't money — it's location, schools and lifestyle.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict →Mount Colah
Mount Kuring-Gai
Annual cost breakdown
| Category | Mount Colah | Mount Kuring-Gai | Difference |
|---|---|---|---|
| Council rates | $1,541 | $1,541 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $5,566 | $5,907 | -$341 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,550 | $2,550 | - |
| Body corporate (unit) | $2,300 | $2,100 | +$200 |
| Total (driving) | $11,205 | $11,546 | -$341 |
| Total (public transport) | $8,039 | $8,039 | - |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Mount Colah | Mount Kuring-Gai | Difference |
|---|---|---|---|
| House | $2,148 | $2,148 | - |
| Unit | $1,716 | $1,716 | - |
Estimated from AER residential benchmarks for each suburb's climate zone at 2025 rates (QLD 30c/kWh, NSW 33c/kWh incl. supply charge; unit ≈ 75% of a house). Get the free report for a breakdown by your exact number of occupants.
Cost breakdown chart
Annual cost breakdown — Mount Colah vs Mount Kuring-Gai (2026-27)
What the numbers show
Mount Colah costs $341 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $3,909 in favour of Mount Colah.
The biggest single gap is commute costs at $341 per year. Mount Kuring-Gai is 25.8 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 88c/km.
On public transport the two suburbs cost almost the same, $8,039 and $8,039 a year, so the $341 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Mount Colah cumulative | Mount Kuring-Gai cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,205 | $11,546 | $341 |
| Year 3 | $34,634 | $35,688 | $1,054 |
| Year 5 | $59,489 | $61,299 | $1,810 |
| Year 10 | $128,453 | $132,362 | $3,909 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Mount Colah or Mount Kuring-Gai cheaper to live in?
Mount Colah is cheaper to run by car at $11,205 per year versus $11,546 for Mount Kuring-Gai, a difference of $341 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Mount Colah and Mount Kuring-Gai?
Annual council rates for a house are $1,541 in Mount Colah (Hornsby rates (OLG) and $1,541 in Mount Kuring-Gai (Hornsby rates (OLG). Water and sewerage adds $1,548 in Mount Colah and $1,548 in Mount Kuring-Gai. 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 Mount Colah and Mount Kuring-Gai?
Annual driving commute costs are $5,566 from Mount Colah and $5,907 from Mount Kuring-Gai to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Mount Colah and $2,400 from Mount Kuring-Gai.
What is the 10-year cost difference between Mount Colah and Mount Kuring-Gai?
At 3% annual cost growth, Mount Colah costs a cumulative $128,453 and Mount Kuring-Gai costs $132,362 over 10 years by car. The cumulative difference is $3,909 in favour of Mount Colah. Excludes purchase price, mortgage, and personal expenses.
Which of Mount Colah and Mount Kuring-Gai 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 Hornsby rates (OLG rate data, water utility pricing (QLD: Queensland Urban Utilities / Unitywater; NSW: Sydney Water / Hunter Water), ATO 88c/km, and SuburbCost AI insurance estimates. Data updated July 2026.