Why is your home wifi so slow?
Home wifi is one of those things you only notice when it stops working. The video stalls, the call drops, and everyone in the house blames the router at once. Often the fix is quick and free.
Slow home wifi usually comes down to a few things: where the router sits, interference from other devices, too many gadgets on at once, or a genuinely slow broadband line underneath it all. The good news is you can test and fix most of these yourself.
Here is how to boost your home wifi, starting with the changes that cost nothing.
Where should you put your router?
Placement matters more than people think. Your router should sit out in the open, roughly central to your home, and up off the floor. Tucked behind the telly or shut in a cupboard, the signal has to fight through everything in its way.
Keep it clear of thick walls, large mirrors, microwaves and even fish tanks, all of which can weaken home wifi. A metre of clear air in a central spot often does more for your speed than any gadget you can buy.
7 fixes to boost your home wifi
Work through these in order. The first few are free and take minutes. The later ones cost a little but sort out stubborn dead zones for good.
Your home wifi checklist
- Move the router to a central, open, elevated spot.
- Restart the router. A tired router causes more home wifi trouble than almost anything else.
- Switch nearby devices to the 5GHz band, and keep 2.4GHz for range through walls.
- Reduce the load: pause big downloads and disconnect gadgets you are not using.
- Update the router firmware so it runs on the latest fixes.
- Use an ethernet cable for anything that stays put, like a TV or console.
- Add a mesh system or extender to reach the far corners of the house.
Is it your home wifi or your broadband line?
This is the check most people skip. Your home wifi is the signal inside your house. Your broadband line is the connection coming into it. If the line is slow, no amount of router shuffling will save you.
To tell them apart, plug a laptop straight into the router with an ethernet cable and run a speed test. Close to your advertised speed on the cable but slow over wifi points to a home wifi problem. Slow on both means the line itself. Our guide on what affects your internet speed goes deeper.
When to upgrade instead of tinker
Sometimes the honest answer is that your home wifi is fine and your package is not. If your line consistently underdelivers, or you are paying over the odds on an old deal, a switch beats another gadget.
Check whether your speed suits your household first, using our guide to the broadband speed you need. And if your connection is genuinely below what you were promised, you may have a right to leave your contract early. The regulator Ofcom sets those minimum speed rules.
Frequently asked questions about home wifi
- Does restarting the router really help home wifi?
- Often, yes. A quick restart clears glitches and can reconnect you to a less crowded channel. It is the first thing to try when home wifi slows down.
- Will a wifi extender fix my dead zones?
- Usually it helps. An extender or mesh system spreads the signal into rooms the router cannot reach well. Mesh tends to give a smoother result across a whole house.
- Why is my home wifi slower than the speed I pay for?
- Wifi always loses a little compared with a wired connection. If the gap is large, check placement and interference, then test the line with an ethernet cable.
- Should I use 2.4GHz or 5GHz?
- Use 5GHz for speed on nearby devices and 2.4GHz for range through walls. Most routers broadcast both, so let devices pick, or split them if you prefer control.
