Eight checks to make before paying for faster broadband

Slow internet may be caused by your home network rather than your provider. These checks can identify the bottleneck before you spend more on a faster package.

Before paying more for a faster internet package, the first step is to establish whether the slowdown is actually coming from the broadband service or from the home network around it. The simplest test is to plug a laptop directly into the router with an Ethernet cable and compare that result with a Wi-Fi test in the slowest room. A wired test is the clearest baseline because it removes wireless interference from the equation, and support guidance from Sail Internet also recommends using a newer laptop or desktop rather than a phone for the measurement. If the wired result is close to the service you are paying for, but Wi-Fi is poor, the bottleneck is likely in the home network rather than the provider.

It is also worth repeating the test at different times of day. Broadband performance can vary when neighbourhood traffic is heavy, so one speed reading rarely tells the full story. If the connection is slow at every point and every hour, the problem becomes easier to escalate with evidence rather than guesswork.

A basic router reboot is another sensible check. Consumer routers are designed to run continuously, but, like any small computer, they can accumulate faults over time. Restarting the device can clear temporary glitches, while a firmware update may fix bugs and improve stability. HP says firmware should be kept up to date because manufacturers routinely release updates for security and performance, and RouterPassword and Tom’s Guide both note that regular updates can also improve reliability. If you find yourself rebooting the router every week, that is usually a warning sign that the hardware is ageing or becoming unreliable.

Placement matters more than many people realise. Routers hidden in cupboards, behind televisions or on the floor are more likely to suffer from obstruction and interference than devices placed in the open and higher up. Moving the router to a more central, unobstructed location can make a noticeable difference without changing the broadband plan at all. In some homes, that simple adjustment is enough to avoid paying for more speed than the network can actually use effectively.

The next step is to make sure devices are using the right connection method. Faster, more important devices generally belong on the 5GHz band, while low-demand smart-home gadgets can stay on 2.4GHz. Desktop PCs, games consoles and televisions are often better served by Ethernet, which removes wireless congestion entirely. In apartment buildings, crowded Wi-Fi channels can also reduce performance, so a Wi-Fi analyser can help identify less congested channels and improve throughput without any change to the subscription.

It is also sensible to look for bandwidth hogs inside the home. Cloud backups, operating system updates, large game downloads and file-sync tools can consume significant capacity, especially when several people are online at once. Checking Task Manager on Windows or Activity Monitor on a Mac can reveal which applications are using the most data. The same review should extend to the router’s list of connected devices, because an unknown device may indicate an unauthorised connection. In that case, changing the Wi-Fi password and moving to WPA3, if the router supports it, adds an extra layer of protection.

Cabling and ports deserve attention as well. Older Ethernet cables, especially legacy Cat5 rather than Cat5e or newer, can force a connection down to 100Mbps even when the broadband plan is much faster. That can easily create the impression that the service is underperforming when the limiting factor is simply an outdated cable. It is also worth checking the negotiated link speed on the computer and trying another port or cable if the reported speed is lower than expected.

Raw download speed is not the whole picture. If video calls freeze or games lag when someone else is uploading or downloading in the house, the issue may be bufferbloat, where the router’s queue becomes clogged and latency rises sharply under load. In that case, a speed test may look acceptable while real-time traffic still performs badly. A bufferbloat test can reveal the problem, and features such as QoS or SQM on some routers may help more than a pricier tariff.

Only after those checks should the conversation with the internet service provider begin. If wired tests repeatedly fall below the advertised or paid-for speed, especially at busy times, it helps to approach the company with a log of dates, times and results. That evidence makes it harder to dismiss the problem as a vague complaint. It is also worth asking whether the account is on an outdated package or whether the provider is still supplying an old modem, because a better deal or newer hardware can sometimes cost no more than what is already being paid.

In the end, paying for a faster plan is sometimes the right answer. But many apparent speed problems are caused by router placement, ageing cables, Wi-Fi congestion, heavy background traffic or outdated firmware. Checking those basics first can save money, and it also ensures that, if an upgrade is necessary, the rest of the home network is ready to make use of it.