Your broadband connection type often matters more for your real speed than the plan you sign up for. The three you are most likely to encounter, fibre to the premises (FTTP), fibre to the cabinet (FTTC) and asymmetric digital subscriber line (ADSL), use different amounts of fibre and copper, and that difference shapes the speeds your home can realistically reach. In short, FTTP, or full fibre, supports the highest speeds, FTTC sits in the middle, and ADSL, the oldest of the three, is the most limited.
The short answer is that the more fibre runs toward your home, and the less copper, the higher and more consistent the speeds tend to be. FTTP has no copper in the path, FTTC uses copper for the final stretch, and ADSL relies on copper telephone wiring for the whole connection.
This guide explains how each type works, why they differ, how to find out which you have, and what your connection type means for the speeds you can expect. Because capabilities and availability vary, confirm what is available at your address with your provider.
How does each connection type work?
FTTP runs an optical fibre line all the way to your home, with no copper involved. Because fibre carries data as light with little loss over distance, FTTP supports the highest speed tiers and the most consistent performance, including strong uploads. It is the most capable of the three and is expanding as full fibre rolls out.
FTTC brings fibre to a street cabinet and then uses existing copper telephone wiring for the final stretch to your home. The fibre portion improves on older technology, but the copper section limits the speeds and makes them sensitive to the distance from the cabinet. FTTC has been a common form of fibre broadband, sitting between ADSL and full fibre in capability.
ADSL is the oldest of the three and uses copper telephone wiring for the entire connection. Because copper carries data less effectively, especially over distance, ADSL offers the lowest speeds of the three and is gradually being superseded as fibre-based connections expand.
How do the connection types compare?
Because the differences are mostly about how much copper is involved, it helps to see them side by side. The table below gives a general comparison, not fixed figures, since real performance depends on many factors.
| Connection type | How it reaches your home | General speed capability |
|---|---|---|
| FTTP | Fibre all the way | Highest, most consistent |
| FTTC | Fibre to a cabinet, then copper | Moderate, varies with distance |
| ADSL | Copper telephone wiring throughout | Lowest of the three |
The table shows a clear hierarchy: FTTP at the top, FTTC in the middle, and ADSL at the bottom, driven by how much of the connection is fibre rather than copper. This is why your connection type can determine which speed tiers are realistic for your home, regardless of the plan label you choose.
How do you find out which you have?
The most reliable way to learn your connection type is to ask your provider, who can confirm what serves your address. Knowing your type matters because it sets the realistic ceiling for your speeds and shapes whether an upgrade, particularly to full fibre, is available. Many homes on FTTC or ADSL may gain the option to move to FTTP as the rollout continues.
Your connection type can also affect the equipment you use and the speeds you should expect from a plan. If you are choosing a plan or troubleshooting slow speeds, knowing your connection type helps you and your provider understand what is realistic for your home.
Because connection types and upgrade options can change as fibre expands, treat any information as current and confirm with your provider. They can tell you your exact connection type and whether a full-fibre upgrade is available at your address.
What does your connection type mean for choosing a plan?
Your connection type sets the realistic ceiling for the speed tiers you can use. On FTTP, the higher tiers are generally available, so the main question is matching the tier to your household's demand. On FTTC, moderate speeds are achievable, though they may fall short of the top tiers and can vary with distance. On ADSL, speeds are the most limited, so a high-tier plan would not deliver its headline figure.
This means it is worth understanding your connection type before choosing a plan, so you select a tier your connection can actually support. Paying for a very high tier on a connection that cannot reach it would not deliver the expected speed. Matching the plan to both your connection and your household's needs is the sensible approach.
If your connection limits your options and you want faster speeds, ask your provider whether a full-fibre upgrade is available for your address, since that can change what tiers are achievable. Otherwise, choose a tier suited to your connection's capability and your real usage.
Frequently asked questions
Which connection type is fastest?
FTTP, or full fibre, which runs fibre all the way to your home, generally supports the highest and most consistent speeds. FTTC, which uses copper for the final stretch, is moderate and varies with distance, while ADSL, which uses copper throughout, is the most limited of the three.
Why is my ADSL or FTTC speed lower than I expected?
Both rely on copper, which carries data less effectively over distance, so speeds can fall the further your home is from the exchange or cabinet. ADSL is the most affected. A full-fibre upgrade, where available, removes the copper limitation; confirm options with your provider.
How do I find out my connection type?
Ask your provider, who can confirm which connection type serves your address. Knowing it helps you understand your realistic speeds and whether a full-fibre upgrade is available for your home as the rollout continues.
Does my connection type affect which plan I should choose?
Yes. Your connection type sets the realistic ceiling for speed, so it is worth choosing a tier your connection can support rather than paying for one it cannot reach. Match the plan to both your connection's capability and your household's actual needs.
Conclusion
Your broadband connection type, FTTP, FTTC or ADSL, often shapes your real speed more than the plan you pick, because each uses a different mix of fibre and copper. FTTP supports the highest and most consistent speeds, FTTC is moderate and distance-sensitive, and ADSL is the most limited. Knowing which you have helps you choose a tier it can actually support and understand any upgrade path. Because capabilities and availability vary and full fibre is expanding, confirm what is available at your address with your provider.