Internet in Castlecrag, NSW 2068
Castlecrag is in the middle of a technology transition — FTTP serves the majority of its 1,167 premises, but FTTC at 33.4% represents a significant secondary connection. Internet experience can vary substantially depending on which technology serves your specific address.
Typical evening download speeds on FTTP in Castlecrag range from 25-1000 Mbps, based on national ACCC broadband performance benchmarks. Fibre connections deliver consistent speeds regardless of distance, making FTTP the most reliable NBN technology. Plans up to 1000 Mbps are available. 95.9% of Castlecrag's 917 households had an internet connection as of the 2021 Census.
Castlecrag has been announced for the NBN FTTP upgrade program — 319 premises (27.3%) are eligible. Households currently on FTTP can upgrade to full fibre at no extra infrastructure cost through their internet provider.
Castlecrag outperforms all 5 nearby suburbs on internet quality. The closest competitor is Middle Cove at 29.4% FTTP. If you're comparing suburbs in this area for a move, Castlecrag offers the best internet infrastructure.
Data last updated March 2026 · Sources: NBN Co, ABS Census, ACCC
"Mixed — Castlecrag's 1,167 premises are split across technologies. Internet quality depends heavily on your specific address."
Est. $89–$119/mo for a family (NBN 250)
Score based on technology type, fibre coverage, upgrade status, and connectivity data. Scale: 1 (poor) to 10 (excellent).
The data above shows suburb-wide averages. Your specific address may have different technology or speeds.
NBN Technology Mix
| Technology | Share |
|---|---|
| Fibre to the Building (FTTB) | 2.2% |
| Fibre to the Curb (FTTC) | 33.4% |
| Fibre to the Node (FTTN) | 0.3% |
| Fibre to the Premises (FTTP) | 45.8% |
| Hybrid Fibre Coaxial (HFC) | 18.2% |
Speed Expectations by Technology
| Technology | Typical Speed | Max Available |
|---|---|---|
| FTTB (2.2%) | 44 Mbps | 100 Mbps |
| FTTC (33.4%) | 46 Mbps | 100 Mbps |
| FTTN (0.3%) | 43 Mbps | 100 Mbps |
| FTTP (45.8%) | 90 Mbps | 1000 Mbps |
| HFC (18.2%) | 47 Mbps | 250 Mbps |
Speed estimates based on national ACCC broadband performance benchmarks, not suburb-specific measurements. Actual speeds depend on your plan, provider, and connection quality.
What Can I Do on This Connection?
With 45.8% FTTP across Castlecrag's 1,167 premises, residents get fast symmetric speeds for video calls, cloud apps, and uploads with 95.9% of households online
Castlecrag is a suburb transitioning to fibre in NSW, so multiple 4K streams run simultaneously without buffering
FTTP across Castlecrag's 1,167 premises (45.8%) means low latency and consistent speeds for competitive and casual gaming
As a mid-sized suburb with 45.8% fibre, Castlecrag easily supports 8+ devices streaming, browsing, and downloading at once
Castlecrag's 45.8% FTTP coverage, above the NSW average, delivers crystal-clear video conferencing with reliable upload bandwidth
Recommended NBN Plans
With Castlecrag's FTTP connection, a single user gets reliable speeds at $55-70/mo
For a couple in Castlecrag, NBN 100 at $69-89/mo handles streaming and working from home on FTTP
NBN 250 at $89-119/mo keeps Castlecrag families connected across 4+ devices on FTTP
Power users in Castlecrag can push FTTP to its limits with NBN 1000 at $119-169/mo
In Castlecrag, FTTP supports all speed tiers up to 1000 Mbps across its 1,167 premises. Prices are estimates based on typical Australian NBN plans (AUD, March 2026). Actual costs vary by provider.
FTTP Upgrade Status
Castlecrag has been announced for the NBN FTTP upgrade program.
319 premises (27.3%) are eligible for an upgrade from FTTP to full fibre (FTTP). Eligible residents can order an FTTP connection through their internet provider at no extra infrastructure cost.
What Can You Do?
Internet in Castlecrag varies by address. Check the NBN address checker for your specific technology. If you're house-hunting in the area, prioritise addresses with FTTP — it provides the most reliable and fastest connection.
Household Internet Statistics
| Metric | Value |
|---|---|
| Households with Internet | 95.9% |
| Households with Broadband | 95.9% |
| Households with No Internet | 3.1% |
| Total Households | 917 |
Household internet data from ABS Census 2016. Actual current connectivity rates may differ.
Compare Nearby Suburbs
| Suburb | Tech Type | FTTP % | Score | Speed Range | Upgrade? |
|---|---|---|---|---|---|
| Northbridge, NSW | HFC | 2% | 6 B | 25-250 Mbps | Yes |
| Willoughby East, NSW | HFC | 0% | 6 B | 25-250 Mbps | Yes |
| Middle Cove, NSW | HFC | 29.4% | 7 B+ | 25-250 Mbps | Yes |
| Middle Harbour, NSW | HFC | 0% | 5.5 C+ | 25-250 Mbps | Yes |
| Willoughby, NSW | HFC | 22.5% | 6.5 B | 25-250 Mbps | Yes |
Best Providers for FTTP in Castlecrag
Castlecrag's 1,167 premises are shifting technologies — review your plan to make sure you're on the best option.
Top-tier CVC provisioning means FTTP customers consistently hit advertised speeds. Rated #1 for customer satisfaction by Roy Morgan. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Aussie Broadband plans →Also Recommended
Aggressive pricing on high-speed FTTP tiers with strong evening speed performance in ACCC broadband speed reports. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Superloop plans →
Premium network with guaranteed speed boost technology on FTTP. Best option if you value bundled mobile and entertainment perks. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Telstra plans →Compare Plans
| ISP | Speed Tier | Monthly Price | Promo Price | |
|---|---|---|---|---|
| Aussie Broadband | NBN 1000 | $129.00/mo | From $129.00/mo | Go to site → |
| Superloop | NBN 1000 | $109.00/mo | From | Go to site → |
| Telstra | NBN 1000 | $170.00/mo | From $170.00/mo | Go to site → |
See all 10 providers in Castlecrag
Budget-friendly FTTP plans with no lock-in contracts. Solid choice for cost-conscious households on fibre. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View TPG plans →
Established provider with Fetch TV entertainment bundles on FTTP. Good all-rounder for households wanting broadband plus streaming. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View iiNet plans →
Among the cheapest FTTP plans available with Vocus-backed infrastructure. Great entry-level option for light internet users on full fibre. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Dodo plans →
Long-running Australian ISP offering competitively priced FTTP plans. Reliable performer for households that prioritise value over extras. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Exetel plans →
Telstra wholesale network at a lower price point on FTTP. Simple plans with automatic billing make it an easy set-and-forget choice. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Belong plans →
Introductory discounts make Tangerine one of the most affordable FTTP options for the first six months. No lock-in contract. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View Tangerine plans →
Ultra-low-cost FTTP plans suit budget households. Consistently among the cheapest fibre broadband options in Australia. With the FTTP upgrade coming to Castlecrag, this becomes an even stronger choice for 1,167 premises.
View SpinTel plans →Switching to Superloop could save you ~$215/year vs the average plan
Rankings based on technology compatibility and value for Castlecrag. PickNBN may earn a commission if you sign up through our links.
Prices as of March 2026. Check provider websites for current pricing.
Frequently Asked Questions
- What NBN technology type does Castlecrag, NSW have?
The primary NBN technology in Castlecrag is FTTP, serving the majority of 1,167 connected premises. The full technology mix is: FTTP (45.8%), FTTC (33.4%), HFC (18.2%), FTTB (2.2%), FTTN (0.3%).
- What internet speeds can I get in Castlecrag, NSW?
Homes in Castlecrag on FTTP can expect typical evening download speeds of 25-1000 Mbps based on ACCC benchmarks. FTTP supports plans up to 1000 Mbps.
- Is Castlecrag, NSW getting an FTTP upgrade?
Yes, Castlecrag has been announced for the NBN FTTP upgrade program. Approximately 319 premises (27.3%) are eligible.
- How many households have internet in Castlecrag, NSW?
According to the 2021 Census, 95.9% of 917 households in Castlecrag had internet — roughly 879 households online.
- Is Castlecrag better than Middle Cove for internet?
Yes — Castlecrag scores 9.5/10, ahead of Middle Cove at 7.0/10. Check your specific address for the most accurate picture.
- Can I get NBN 1000 in Castlecrag, NSW?
Yes — Castlecrag's FTTP connection supports NBN 1000 plans. Check with providers like Aussie Broadband, Superloop, and Telstra for availability.
About this data
PickNBN compiles data from official Australian government sources to give you an independent picture of internet quality in every suburb. We are not affiliated with any internet provider or NBN Co.
- NBN technology data — per-premises technology type from NBN Co records (via nbn-upgrade-map, MIT licence)
- Speed estimates — national benchmarks from the ACCC Measuring Broadband Australia program. Not suburb-specific measurements.
- Household internet stats — ABS Census 2016 at the suburb level (SSC geography)
- FTTP upgrades — NBN Co's announced fibre upgrade suburbs
Best Internet Near Castlecrag
Looking for the fastest internet in the area? These nearby suburbs score highest.