Barrack Heights vs Mount Warrigal: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Barrack Heights and Mount Warrigal are both Shellharbour rates (OLG suburbs, sitting 83.7 km and 82.7 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Mount Warrigal runs $692 a year cheaper than Barrack Heights, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $7,933.
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 →Barrack Heights
Mount Warrigal
Annual cost breakdown
| Category | Barrack Heights | Mount Warrigal | Difference |
|---|---|---|---|
| Council rates | $1,865 | $1,865 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $3,535 | $3,493 | +$42 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,800 | $2,150 | +$650 |
| Body corporate (unit) | $1,800 | $1,800 | - |
| Total (driving) | $9,748 | $9,056 | +$692 |
| Total (public transport) | $8,613 | $7,963 | +$650 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Barrack Heights | Mount Warrigal | 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 — Barrack Heights vs Mount Warrigal (2026-27)
What the numbers show
Mount Warrigal costs $692 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $7,933 in favour of Mount Warrigal.
The biggest single gap is home insurance at $650 per year. Barrack Heights carries high flood risk, which pushes estimated premiums higher.
On public transport the gap is $650 per year, $8,613 from Barrack Heights versus $7,963 from Mount Warrigal.
10-year cumulative cost projection
| Year | Barrack Heights cumulative | Mount Warrigal cumulative | Difference |
|---|---|---|---|
| Year 1 | $9,748 | $9,056 | $692 |
| Year 3 | $30,130 | $27,991 | $2,139 |
| Year 5 | $51,753 | $48,080 | $3,673 |
| Year 10 | $111,750 | $103,817 | $7,933 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Barrack Heights or Mount Warrigal cheaper to live in?
Mount Warrigal is cheaper to run by car at $9,056 per year versus $9,748 for Barrack Heights, a difference of $692 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Barrack Heights and Mount Warrigal?
Annual council rates for a house are $1,865 in Barrack Heights (Shellharbour rates (OLG) and $1,865 in Mount Warrigal (Shellharbour rates (OLG). Water and sewerage adds $1,548 in Barrack Heights and $1,548 in Mount Warrigal. 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 Barrack Heights and Mount Warrigal?
Annual driving commute costs are $3,535 from Barrack Heights and $3,493 from Mount Warrigal to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Barrack Heights and $2,400 from Mount Warrigal.
What is the 10-year cost difference between Barrack Heights and Mount Warrigal?
At 3% annual cost growth, Barrack Heights costs a cumulative $111,750 and Mount Warrigal costs $103,817 over 10 years by car. The cumulative difference is $7,933 in favour of Mount Warrigal. Excludes purchase price, mortgage, and personal expenses.
Which of Barrack Heights and Mount Warrigal 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: Shellharbour rates (OLG and Shellharbour 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.