Marlow vs Spencer, true annual running costs compared 2026
Last updated July 2026 · council rates current NSW schedules, ATO 91c/km, Opal & Translink fares, AER electricity benchmarks
Marlow (Hornsby rates (OLG) and Spencer (Central Coast rates (OLG) attract comparison from buyers considering suburbs across different council areas at similar distances from Sydney CBD (44.9 km and 46.8 km).
Spencer runs $432 a year cheaper than Marlow, driven mostly by water. Over 10 years at 3% growth that gap compounds to about $4,952.
Over 10 years, Spencer costs about $5,000 less to run than Marlow. That's about $10 a week.
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Spencer
Annual cost breakdown
| Category | Marlow | Spencer | Difference |
|---|---|---|---|
| Council rates Official, 2026-27 | $1,541 | $1,454 | +$87 |
| Water & sewerage Estimated | $1,548 | $1,300 | +$248 |
| Commute (driving) Modelled, 2026-27 | $6,884 | $6,787 | +$97 |
| Commute (public transport) Modelled, 2026-27 | $2,400 | $2,400 | - |
| Home insurance Estimated | $2,250 | $2,250 | - |
| Body corporate (unit) Estimated | $2,100 | $2,100 | - |
| Total (driving) | $12,223 | $11,791 | +$432 |
| Total (public transport) | $7,739 | $7,404 | +$335 |
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 | Marlow | Spencer | Difference |
|---|---|---|---|
| House | $2,615 | $2,615 | - |
| Unit | $2,113 | $2,113 | - |
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, Marlow vs Spencer (2026-27)
What the numbers show
Spencer costs $432 less per year to run by car. Held over ten years at 3% annual cost growth, that gap compounds to $4,952 in favour of Spencer.
The biggest single gap is water and sewerage at $248 per year.
On public transport the gap is $335 per year, $7,739 from Marlow versus $7,404 from Spencer.
Where the difference actually comes from
- Council rates favours Spencer by $87 a year, $1,454 against $1,541.
- Water and sewerage favours Spencer by $248 a year, $1,300 against $1,548.
- Driving commute favours Spencer by $97 a year, $6,787 against $6,884.
- Building insurance is identical at $2,250 a year.
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.
The catchment state school scores 7.6 in Marlow against 4.8 in Spencer, on ACARA's ICSEA percentile scaled to ten.
10-year cumulative cost projection
| Year | Marlow cumulative | Spencer cumulative | Difference |
|---|---|---|---|
| Year 1 | $12,223 | $11,791 | $432 |
| Year 3 | $37,780 | $36,445 | $1,335 |
| Year 5 | $64,894 | $62,600 | $2,294 |
| Year 10 | $140,123 | $135,171 | $4,952 |
Assumes 3% annual cost growth. Excludes purchase price, mortgage, and personal expenses.
Frequently asked questions
Is Marlow or Spencer cheaper to live in?
Spencer is cheaper to run by car at $11,791 per year versus $12,223 for Marlow, a difference of $432 annually. Figures cover council rates, water, commute (ATO 91c/km), and home insurance. Source: SuburbCost 2026 data.
What are council rates in Marlow and Spencer?
Annual council rates for a house are $1,541 in Marlow (Hornsby rates (OLG) and $1,454 in Spencer (Central Coast rates (OLG). Water and sewerage adds $1,548 in Marlow and $1,300 in Spencer. 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 Marlow and Spencer?
Annual driving commute costs are $6,884 from Marlow and $6,787 from Spencer to Sydney CBD (ATO 91c/km). Public transport costs $2,400 from Marlow and $2,400 from Spencer.
What is the 10-year cost difference between Marlow and Spencer?
At 3% annual cost growth, Marlow costs a cumulative $140,123 and Spencer costs $135,171 over 10 years by car. The cumulative difference is $4,952 in favour of Spencer. Excludes purchase price, mortgage, and personal expenses.
Which of Marlow and Spencer suits you better?
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Sources: Hornsby 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.