Garie vs Wattamolla: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Garie and Wattamolla are both Sutherland rates (OLG suburbs, sitting 34.5 km and 31.8 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Wattamolla runs $607 a year cheaper than Garie, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $6,959.
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 →Garie
Wattamolla
Annual cost breakdown
| Category | Garie | Wattamolla | Difference |
|---|---|---|---|
| Council rates | $1,617 | $1,617 | - |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $6,631 | $6,474 | +$157 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $3,000 | $2,550 | +$450 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $12,796 | $12,189 | +$607 |
| Total (public transport) | $8,565 | $8,115 | +$450 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Garie | Wattamolla | 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 — Garie vs Wattamolla (2026-27)
What the numbers show
Wattamolla costs $607 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $6,959 in favour of Wattamolla.
The biggest single gap is home insurance at $450 per year. Garie carries medium flood risk, which pushes estimated premiums higher.
On public transport the gap is $450 per year, $8,565 from Garie versus $8,115 from Wattamolla.
10-year cumulative cost projection
| Year | Garie cumulative | Wattamolla cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,796 | $12,189 | $607 |
| Year 3 | $39,551 | $37,675 | $1,876 |
| Year 5 | $67,936 | $64,713 | $3,223 |
| Year 10 | $146,692 | $139,733 | $6,959 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Garie or Wattamolla cheaper to live in?
Wattamolla is cheaper to run by car at $12,189 per year versus $12,796 for Garie, a difference of $607 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Garie and Wattamolla?
Annual council rates for a house are $1,617 in Garie (Sutherland rates (OLG) and $1,617 in Wattamolla (Sutherland rates (OLG). Water and sewerage adds $1,548 in Garie and $1,548 in Wattamolla. 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 Garie and Wattamolla?
Annual driving commute costs are $6,631 from Garie and $6,474 from Wattamolla to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Garie and $2,400 from Wattamolla.
What is the 10-year cost difference between Garie and Wattamolla?
At 3% annual cost growth, Garie costs a cumulative $146,692 and Wattamolla costs $139,733 over 10 years by car. The cumulative difference is $6,959 in favour of Wattamolla. Excludes purchase price, mortgage, and personal expenses.
Which of Garie and Wattamolla 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.
Related comparisons
Sources: Sutherland rates (OLG and Sutherland 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.