If you want to see how far your house is from your local telephone exchange, take a look at this DSLAM Coverage Map hosted by TPG. But if you're between 2km and 3km from the exchange, you'll really start to notice a difference.ĪDSL speed vs. With ADSL2+, you can be up to about 1km from the exchange before you may notice speed starting to dip. This degradation doesn’t occur on a straight line. Copper is a great material for this because it has low resistance, but this resistance increases the longer a signal has to travel, and so your connection speed degrades as the length of copper increases. The biggest factor that affects ADSL speed is your distance from your local telephone exchange.ĪDSL and ADSL2+ are delivered to your home over copper wires, and because of this, the speed of your connection to the network is impacted by the distance the information needs to travel between the exchange and your home. We’ll try and make this guide as user friendly as possible, but ADSL slowdown is a complex topic and what we suggest may not work for every single circumstance. But you do have options. If you’re suffering from slow ADSL speeds, or looking to avoid them after moving house, there are a number of factors to keep in mind. We expect to see our search results in seconds, we hate buffering, and don't even want to hear about dropouts.
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