Box Hill vs Grantham Farm: true annual running costs compared (2026)
Last updated July 2026 · council rates current NSW schedules, ATO 88c/km, Opal & Translink fares, AER electricity benchmarks
Box Hill (The Hills rates (OLG) and Grantham Farm (Blacktown City Council rates (IPART approved SRV, 11.54% adopted for) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (37.4 km and 38.7 km).
The two sit within $30 a year of each other to run, so running cost is a minor factor here — the decision comes down to schools, risk and lifestyle, all in the free report.
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 →Box Hill
Grantham Farm
Annual cost breakdown
| Category | Box Hill | Grantham Farm | Difference |
|---|---|---|---|
| Council rates | $1,261 | $1,360 | -$99 |
| Water & sewerage | $1,548 | $1,548 | - |
| Commute (driving) | $6,730 | $6,751 | -$21 |
| Commute (public transport) | $2,400 | $2,400 | - |
| Home insurance | $2,300 | $2,150 | +$150 |
| Body corporate (unit) | $2,100 | $2,100 | - |
| Total (driving) | $11,839 | $11,809 | +$30 |
| Total (public transport) | $7,509 | $7,458 | +$51 |
Green = cheaper. Commute: ATO 88c/km, 220 working days. Insurance AI-estimated; actual premiums vary. Council rates: average residential rate (NSW, IPART-uplifted).
| Dwelling | Box Hill | Grantham Farm | Difference |
|---|---|---|---|
| House | $2,420 | $2,420 | - |
| Unit | $1,920 | $1,920 | - |
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 — Box Hill vs Grantham Farm (2026-27)
What the numbers show
Box Hill and Grantham Farm cost within $30 of each other annually by car. Over ten years with 3% annual growth the gap reaches roughly $344, making running cost a minor factor in the decision.
The biggest single gap is home insurance at $150 per year. Box Hill carries medium flood risk, which pushes estimated premiums higher.
On public transport the two suburbs cost almost the same, $7,509 and $7,458 a year, so the $30 driving gap nearly closes if you commute by public transport.
10-year cumulative cost projection
| Year | Box Hill cumulative | Grantham Farm cumulative | Difference |
|---|---|---|---|
| Year 1 | $11,839 | $11,809 | $30 |
| Year 3 | $36,593 | $36,500 | $93 |
| Year 5 | $62,855 | $62,696 | $159 |
| Year 10 | $135,721 | $135,377 | $344 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Box Hill or Grantham Farm cheaper to live in?
Grantham Farm is cheaper to run by car at $11,809 per year versus $11,839 for Box Hill, a difference of $30 annually. Figures cover council rates, water, commute (ATO 88c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Box Hill and Grantham Farm?
Annual council rates for a house are $1,261 in Box Hill (The Hills rates (OLG) and $1,360 in Grantham Farm (Blacktown City Council rates (IPART approved SRV, 11.54% adopted for). Water and sewerage adds $1,548 in Box Hill and $1,548 in Grantham Farm. 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 Box Hill and Grantham Farm?
Annual driving commute costs are $6,730 from Box Hill and $6,751 from Grantham Farm to Sydney CBD (ATO 88c/km). Public transport costs $2,400 from Box Hill and $2,400 from Grantham Farm.
What is the 10-year cost difference between Box Hill and Grantham Farm?
At 3% annual cost growth, Box Hill costs a cumulative $135,721 and Grantham Farm costs $135,377 over 10 years by car. The cumulative difference is $344 in favour of Grantham Farm. Excludes purchase price, mortgage, and personal expenses.
Which of Box Hill and Grantham Farm 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: The Hills rates (OLG and Blacktown City Council rates (IPART approved SRV, 11.54% adopted for 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.