Greengrove vs Lower Mangrove, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Greengrove and Lower Mangrove are both Central Coast rates (OLG suburbs, sitting 54.6 km and 51.7 km from Sydney CBD respectively, and are commonly compared by buyers weighing up running costs within the same council area.
Greengrove runs $333 a year cheaper than Lower Mangrove, driven mostly by the commute. Over 10 years at 3% growth that gap compounds to about $3,817.
Over 10 years, Greengrove costs about $3,800 less to run than Lower Mangrove. That's about $7 a week.
Get the free report: 10-year costs, flood & fire risk, crime, schools and overall verdict → Personalise this comparison with your own commute, home type and loan →Greengrove
Lower Mangrove
Annual cost breakdown
| Category | Greengrove | Lower Mangrove | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,454 | $1,454 | - |
| Water & sewerage Estimated | $1,300 | $1,300 | - |
| Commute (driving) Modelled, 2026-27 | $6,058 | $6,391 | -$333 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $1,850 | $1,850 | - |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $10,662 | $10,995 | -$333 |
| Total (public transport) | $7,004 | $7,004 | - |
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 | Greengrove | Lower Mangrove | Difference |
|---|---|---|---|
| House | $2,342 | $2,342 | - |
| Unit | $1,909 | $1,909 | - |
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, Greengrove vs Lower Mangrove (2026-27)
What the numbers show
Greengrove costs $333 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $3,817 in favour of Greengrove.
The biggest single gap is commute costs at $333 per year. Greengrove is 54.6 km from Sydney CBD, which drives higher annual driving costs at the ATO rate of 91c/km.
On public transport the two suburbs cost almost the same, $7,004 and $7,004 a year, so the $333 driving gap nearly closes if you commute by public transport.
Where the difference actually comes from
- Council rates is identical at $1,454 a year.
- Water and sewerage is identical at $1,300 a year.
- Driving commute favours Greengrove by $333 a year, $6,058 against $6,391.
- Building insurance is identical at $1,850 a year.
Both suburbs sit in the same council area, so the rates line is identical and none of the difference between them comes from council. What separates them is commute distance.
10-year cumulative cost projection
| Year | Greengrove cumulative | Lower Mangrove cumulative | Difference |
|---|---|---|---|
| Year 1 | $10,662 | $10,995 | $333 |
| Year 3 | $32,955 | $33,984 | $1,029 |
| Year 5 | $56,606 | $58,374 | $1,768 |
| Year 10 | $122,228 | $126,045 | $3,817 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Greengrove or Lower Mangrove cheaper to live in?
Greengrove is cheaper to run by car at $10,662 per year versus $10,995 for Lower Mangrove, a difference of $333 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Greengrove and Lower Mangrove?
Annual council rates for a house are $1,454 in Greengrove (Central Coast rates (OLG) and $1,454 in Lower Mangrove (Central Coast rates (OLG). Water and sewerage adds $1,300 in Greengrove and $1,300 in Lower Mangrove. 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 Greengrove and Lower Mangrove?
Annual driving commute costs are $6,058 from Greengrove and $6,391 from Lower Mangrove to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Greengrove and $2,400 from Lower Mangrove.
What is the 10-year cost difference between Greengrove and Lower Mangrove?
At 3% annual cost growth, Greengrove costs a cumulative $122,228 and Lower Mangrove costs $126,045 over 10 years by car. The cumulative difference is $3,817 in favour of Greengrove. Excludes purchase price, mortgage, and personal expenses.
Which of Greengrove and Lower Mangrove suits you better?
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: Central Coast rates (OLG and Central Coast 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.