Lowest 1st-year cost
~25.0 MbpsFixed Line • Typical evening
$57.00/moongoing rate
$57.00/moongoing
$342.006 months
$684.00first year
—
No lock-in
Provider guide
Carbon Comms plans compared.
We track 15 Carbon Comms plans. The cheapest broadband plan, Carbon Home Fast 25/10 NBN NBN 25/10, costs $684 over the first 12 months.
Prices checked 30 October 2026 from Carbon Comms's official plan pages.
- Plans tracked
- 15
- Cheapest broadband, year one
- $684
Carbon Comms NBN & broadband plans
Sorted by total cost over the first 12 months, including the promo period.
~50.0 MbpsFixed Line • Typical evening
$81.00/moongoing rate
$81.00/moongoing
$486.006 months
$972.00first year
—
No lock-in
~500.0 MbpsFixed Line • Typical evening
$82.00/moongoing rate
$82.00/moongoing
$492.006 months
$984.00first year
—
No lock-in
~100.0 MbpsFixed Line • Typical evening
$84.00/moongoing rate
$84.00/moongoing
$504.006 months
$1008.00first year
—
No lock-in
~250.0 MbpsFixed Line • Typical evening
$84.00/moongoing rate
$84.00/moongoing
$504.006 months
$1008.00first year
—
No lock-in
~250.0 MbpsFixed Line • Typical evening
$87.00/moongoing rate
$87.00/moongoing
$522.006 months
$1044.00first year
—
No lock-in
~100.0 MbpsFixed Line • Typical evening
$88.00/moongoing rate
$88.00/moongoing
$528.006 months
$1056.00first year
—
No lock-in
~750.0 MbpsFixed Line • Typical evening
$91.00/moongoing rate
$91.00/moongoing
$546.006 months
$1092.00first year
—
No lock-in
~400.0 MbpsFixed Line • Typical evening
$91.00/moongoing rate
$91.00/moongoing
$546.006 months
$1092.00first year
—
No lock-in
~1000.0 MbpsFixed Line • Typical evening
$100.00/moongoing rate
$100.00/moongoing
$600.006 months
$1200.00first year
—
No lock-in
~500.0 MbpsFixed Line • Typical evening
$103.00/moongoing rate
$103.00/moongoing
$618.006 months
$1236.00first year
—
No lock-in
~1000.0 MbpsFixed Line • Typical evening
$125.00/moongoing rate
$125.00/moongoing
$750.006 months
$1500.00first year
—
No lock-in
~2000.0 MbpsFixed Line • Typical evening
$153.00/moongoing rate
$153.00/moongoing
$918.006 months
$1836.00first year
—
No lock-in
~2000.0 MbpsFixed Line • Typical evening
$153.00/moongoing rate
$153.00/moongoing
$918.006 months
$1836.00first year
—
No lock-in
~2000.0 MbpsFixed Line • Typical evening
$194.00/moongoing rate
$194.00/moongoing
$1164.006 months
$2328.00first year
—
No lock-in
Carbon Comms price changes
Every price change our daily checks have recorded, newest first.
| Date | Plan | Change |
|---|---|---|
| 27 Oct 2026 | Carbon Business NBN NBN 250/100 | Ongoing price dropped: $89 → $87/mo; Promo price: $89 → $87/mo |
| 27 Oct 2026 | Carbon Business NBN NBN 500/200 | Ongoing price dropped: $105 → $103/mo; Promo price: $105 → $103/mo |
| 27 Oct 2026 | Carbon Business NBN NBN 1000/400 | Ongoing price dropped: $127 → $125/mo; Promo price: $127 → $125/mo |
| 27 Oct 2026 | Carbon Business NBN NBN 2000/500 | Ongoing price dropped: $196 → $194/mo; Promo price: $196 → $194/mo |
| 20 Oct 2026 | Carbon Home Ultrafast 1000/100 NBN NBN 1000/100 | Ongoing price dropped: $102 → $100/mo; Promo price: $102 → $100/mo |
| 12 Oct 2026 | Carbon Home Fast 500/50 NBN NBN 500/50 | Ongoing price dropped: $84 → $82/mo; Promo price: $84 → $82/mo |
Carbon Comms questions
What is the cheapest Carbon Comms NBN plan?
Carbon Home Fast 25/10 NBN NBN 25/10 at $57/mo. That is $684 over the first year (checked 30 October 2026).
Has Carbon Comms raised its prices recently?
We haven't recorded any ongoing price rises for Carbon Comms since 12 October 2026. Promo prices have changed; see the table above.
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