Coolumburra vs Nerriga, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Coolumburra (Shoalhaven rates (OLG) and Nerriga (Queanbeyan-Palerang Regional rates (OLG) attract comparison from buyers considering suburbs across different council areas.
Coolumburra runs $558 a year cheaper than Nerriga, driven mostly by home insurance. Over 10 years at 3% growth that gap compounds to about $6,397.
Over 10 years the gap between these two is about $6,400, about $12 a week, and most of it is the AI-estimated insurance line.
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Nerriga
Annual cost breakdown
| Category | Coolumburra | Nerriga | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,547 | $1,805 | -$258 |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Commute (public transport) Modelled, 2026-27 | $18,200 | $18,200 | - |
| Home insurance Estimated | $1,550 | $1,850 | -$300 |
| Body corporate (unit) Estimated | $1,800 | $1,800 | - |
| Total (driving) | $22,597 | $23,155 | -$558 |
| Total (public transport) | $22,597 | $23,155 | -$558 |
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 | Coolumburra | Nerriga | Difference |
|---|---|---|---|
| House | $2,857 | $3,257 | -$400 |
| Unit | $2,312 | $2,691 | -$379 |
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, Coolumburra vs Nerriga (2026-27)
What the numbers show
Coolumburra and Nerriga differ by $558 a year by car, but $300 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 $258, so neither suburb is named cheaper here.
The biggest single gap is home insurance at $300 per year.
On public transport the gap is $558 per year, $22,597 from Coolumburra versus $23,155 from Nerriga.
Where the difference actually comes from
- Council rates favours Coolumburra by $258 a year, $1,547 against $1,805.
- Water and sewerage is identical at $1,300 a year.
- Driving commute is identical at $18,200 a year.
- Building insurance favours Coolumburra by $300 a year, $1,550 against $1,850.
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.
10-year cumulative cost projection
| Year | Coolumburra cumulative | Nerriga cumulative | Difference |
|---|---|---|---|
| Year 1 | $22,597 | $23,155 | $558 |
| Year 3 | $69,845 | $71,570 | $1,725 |
| Year 5 | $119,971 | $122,933 | $2,962 |
| Year 10 | $259,049 | $265,446 | $6,397 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Coolumburra or Nerriga cheaper to live in?
Neither is named cheaper. Coolumburra runs $22,597 a year by car and Nerriga $23,155, but most of the $558 difference is the building insurance estimate rather than a published figure. On council rates, water and the commute, which are sourced, the gap is $258. Source: SuburbCost 2026 data.
What are council rates in Coolumburra and Nerriga?
Annual council rates for a house are $1,547 in Coolumburra (Shoalhaven rates (OLG) and $1,805 in Nerriga (Queanbeyan-Palerang Regional rates (OLG). Water and sewerage adds $1,300 in Coolumburra and $1,300 in Nerriga. 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 Coolumburra and Nerriga?
Coolumburra carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. Nerriga carries a flat regional driving allowance of $18,200, about 20,000 km of household driving a year, because it is more than 100 km from Sydney CBD. No daily public transport commute is assumed from either suburb, so both are costed by car.
What is the 10-year cost difference between Coolumburra and Nerriga?
At 3% annual cost growth, Coolumburra costs a cumulative $259,049 and Nerriga costs $265,446 over 10 years by car. The cumulative difference is $6,397 in favour of Coolumburra. Excludes purchase price, mortgage, and personal expenses.
Which of Coolumburra and Nerriga suits you better?
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Sources: Shoalhaven rates (OLG and Queanbeyan-Palerang Regional 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.