If your evenings involve a queue of shows across Netflix, Disney+ and Stan, sometimes on more than one screen at once, the plan you're paying for matters more than you might think. Choosing the wrong tier is the difference between crisp 4K on every device and that all-too-familiar spinning wheel right as the episode gets good.
Here's what each platform actually needs, how to account for your whole household (not just one screen), and which nbn® plan makes the most sense for your streaming habits.
What Speed Do You Actually Need Per Platform?
Streaming services publish minimum speed recommendations, but it's worth understanding what these numbers really mean before you use them to pick a plan. You can check the official figures directly at the Netflix Help Centre and Disney+ Help Centre, which are worth bookmarking if your household regularly troubleshoots streaming quality.
| Platform | HD (1080p) | 4K / Ultra HD |
|---|---|---|
| Netflix | 5 Mbps | 15 Mbps |
| Disney+ | 5 Mbps | 25 Mbps |
| Stan | 7.5 Mbps | 15 Mbps |
A few important caveats sit behind these numbers.
These are minimums, not comfortable targets. A connection that averages above the minimum but dips below it during busy periods will see 4K degrade to a lower resolution during those dips. Streaming platforms use adaptive bitrate technology, which constantly adjusts picture quality based on your available bandwidth in real time. A fluctuating connection therefore produces a fluctuating picture, even if it never fully buffers.
They assume nothing else is happening on your network. These figures cover one device, streaming, and nothing else. The moment a second person starts a video call, someone else starts browsing, or a phone kicks off a backup in the background, that headroom disappears.
Disney+ typically needs more than Netflix or Stan for the same quality. Disney+ tends to use a higher bitrate for its 4K content than other platforms, meaning it draws more bandwidth to deliver comparable picture quality. If your household leans heavily on Disney+, it's worth budgeting slightly above the platform minimum.
Why the "Minimum" Speed Isn't the Right Number to Plan Around
Here's the practical issue: platform-recommended speeds are calculated for a single stream in isolation. Almost no household actually uses their internet that way.
A more realistic approach is to add up what your household is actually doing at once during peak viewing hours, typically 7pm to 10pm, which is also when the rest of your street is online and network congestion is at its highest. nbn Co's own network activity data confirms this window is consistently the busiest period on the network nationally.
A simple way to estimate your household's real need:
- Count how many devices might be streaming 4K content at the same time (25 Mbps each, to be safe).
- Add roughly 5 to 10 Mbps for every other active device, such as browsing, social media, or smart TVs left idle.
- Add extra headroom of at least 30%, to account for network fluctuation and the fact that advertised speeds are a maximum, not a guarantee.
For example, a household with two people streaming 4K Netflix simultaneously, plus a couple of phones and a smart speaker in the background, is realistically looking at 60 to 70 Mbps of actual demand at peak time, well above the 15 Mbps Netflix technically requires.
Recommended nbn® Plan by Household Type
Solo Streamer or Couple: nbn® 50
If it's just you, or you and a partner, streaming on one or two screens without much else going on simultaneously, nbn® 50 comfortably covers HD and 4K streaming with room to spare. You'll be able to stream on a couple of devices at once, browse on your phone, and not run into issues.
Small Family (2 to 4 people): nbn® 100/40 or nbn® 500
This is where most Australian households sit, and it's also where the platform-minimum numbers start to fall short of reality. With multiple people potentially streaming 4K simultaneously, plus phones, smart TVs, and background devices, nbn® 100/40 is a reasonable minimum. nbn® 500 (available on FTTP and HFC connections, per nbn Co's speed tier guide) gives you genuine breathing room, particularly during peak evening hours when the whole street is competing for bandwidth.
Larger Household or Heavy Streamers: nbn® 750
If you've got a full house, with multiple 4K streams running at once across Netflix, Disney+, and Stan, plus gaming, video calls, and a dozen smart devices, nbn® 750 is where you stop thinking about bandwidth altogether. At this tier, simultaneous 4K streaming across the entire household happens without any of the adaptive bitrate dipping that causes picture quality to soften during busy periods.
Streaming Purists Who Want Zero Compromise: nbn® 1000
If you want the absolute best possible streaming experience across every screen in the house, with no chance of quality ever dropping regardless of what else is happening on the network, nbn® 1000 delivers that, though for most streaming-focused households, nbn® 750 already covers this comfortably.
A Quick Reference Table
| Household Streaming Habits | Recommended nbn® Tier |
|---|---|
| One person, one screen at a time | nbn® 50 |
| Couple, occasional simultaneous streaming | nbn® 50 |
| Family of 3 to 4, regular multi-screen 4K | nbn® 100/40 or nbn® 500 |
| Large household, heavy multi-platform streaming | nbn® 750 |
| Want zero compromise, ever | nbn® 1000 |
Other Things That Affect Your Streaming Quality (Beyond Plan Speed)
Choosing the right speed tier solves most streaming issues, but not all of them. A few other factors are worth ruling out if you're still experiencing buffering or quality drops on a plan that should easily handle it.
WiFi, not your plan, is often the real culprit. Your nbn® plan speed is what arrives at your modem. From there, it needs to travel wirelessly to your TV or streaming device. A weak WiFi signal, a device far from the modem, or an older TV with an outdated wireless radio can all cause buffering even on a fast plan. If one TV in the house buffers while others don't, this is usually the explanation. Our guide on modem positioning covers how to fix this.
Peak-hour congestion varies by provider. Two providers can advertise the same plan speed but deliver very different results at 8pm on a Sunday night, depending on how much network capacity they've invested in relative to their customer base. This is why the "typical evening speed" figure matters more than the maximum plan speed when comparing options. Providers are required to publish this figure under the ACCC's Broadband Speed Claims guidance, so it's a reliable way to compare providers on a like-for-like basis.
Your subscription tier matters, not just your internet. It's worth checking. A fast internet connection will never display 4K content if your Netflix, Disney+, or Stan subscription itself doesn't include 4K in its plan. Confirm your streaming subscription tier before troubleshooting what looks like a speed issue.
Ethernet beats WiFi for your main TV. If your primary streaming device is stationary, such as a smart TV or gaming console, connecting it directly via ethernet cable removes WiFi from the equation entirely and gives you the most consistent possible picture quality.
The Bottom Line
For most Australian households juggling Netflix, Disney+ and Stan across multiple devices, nbn® 100/40 or nbn® 500 hits the sweet spot: enough headroom to stream in 4K on several screens at once without the picture quality dipping during peak hours. Solo streamers and couples can comfortably get away with less, while larger, heavier-streaming households will appreciate the extra room that nbn® 750 provides.
Not sure what's available at your address, or want to see which plan fits your household? Check your address here and we'll show you exactly what you can get: no lock-in contracts, no hidden fees, just straightforward broadband that keeps up with your watchlist.
Ezi Broadband is a 100% Australian owned and operated nbn® provider. No lock-in contracts, no hidden fees, and real local support when you need it.