Switching broadband should save you money, not leave the house without internet for a week. Yet the fear of downtime keeps many people paying over the odds for years.
With a bit of planning, a switch can be almost seamless. The trick is to overlap the two services where you can, and to prepare your home network before the changeover day.
Quick Answer
To switch without downtime, order the new service before cancelling the old one, choose an activation date while the old service is still running, and keep the old connection live until the new one is tested. On the Openreach network, the One Touch Switch process lets the new provider handle the switch for you.
How Switching Works Now
Switching is easier than it used to be. Under the Ofcom One Touch Switch process, you contact only the new provider, and they arrange the switch with the old one.
That applies to most connections on the same underlying network, such as Openreach-based services. You no longer need the awkward cancellation call just to leave.
When You Still Need to Manage It Yourself
Moving between different networks is different. Switching from Virgin Media cable to an Openreach service, or to a full fibre altnet, usually means two separate arrangements.
In those cases you order the new service, get it working, and only then give notice to the old provider. That overlap is exactly what protects you from downtime.
Check which network each provider uses before you order. Two brands can sell services on the same physical network, which makes switching simpler but also means a network fault affects both.
Plan the Overlap Properly
A short overlap of a few days to two weeks is cheap insurance. Even if it means paying for both services briefly, it costs far less than lost work or a house full of complaints.
Choosing Your Dates
- Check your current contract end date and any early termination charge.
- Pick a switch date just after the contract ends, or accept a small charge if the saving outweighs it.
- Avoid switching the day before an important deadline, exam, or work event.
- Choose a weekday activation if you can, so support teams are fully staffed.
- Keep the old service running for at least 48 hours after activation.
If your current service is out of contract, you have the most flexibility. You can time the new activation first and cancel afterwards, because there is no penalty to escape.
People who work from home should be stricter. Keep the overlap until you have completed at least one full working day, including video calls, on the new connection.
Prepare Your Home Network in Advance
Most downtime people blame on providers is actually home network downtime. A new router means new Wi-Fi names, new passwords, and dozens of devices to reconnect.
The Smart Router Trick
Set the new router’s Wi-Fi name and password to exactly match the old ones. Most phones, laptops, TVs, and smart devices will then reconnect automatically without any setup.
- Note your current Wi-Fi name, password, and any separate 2.4 GHz and 5 GHz names.
- When the new router arrives, log in to its admin page before switch day if possible.
- Change its Wi-Fi name and password to match your old network exactly.
- Keep a written note of the new router’s admin password somewhere safe.
- On switch day, power off the old router before connecting the new one to avoid confusion.
Do not forget the settings stored on the old router, either. If your family relies on filtering, our guide on how to set up parental controls on your home Wi-Fi will help you recreate those controls on the new router before the children reconnect.
If you own your own router, the switch may be even easier. Many providers let you use it once you enter the new connection details, so nothing in your home changes at all.
Devices People Forget
- Video doorbells, cameras, and smart heating controls.
- Printers, smart plugs, and voice assistants.
- Games consoles that need large updates before they can play.
- Work laptops with VPN settings managed by an employer.
- Smart TVs and streaming sticks in spare rooms.
Make a quick list room by room before switch day. After the switch, walk the list and test each device, rather than discovering a dead doorbell a week later.
Switch Day, Step by Step
- Wait for the new provider’s confirmation that the service is active, by text, email, or app.
- Connect the new router to the master socket or fibre terminal using the supplied cables.
- Wait for the broadband light to go solid, which can take up to 15 minutes.
- Connect one device by Ethernet cable if possible and run a speed test.
- Check the speed is roughly what you ordered, allowing for first-day variation.
- Connect over Wi-Fi and test in the rooms you use most.
- Make a video call or join a short test meeting if you work from home.
- Only when all of that works, disconnect and pack up the old equipment.
Keep the old router and its cables for a few days. If the new service develops a fault, reconnecting the still-active old service takes minutes and keeps you online.
Return old equipment promptly once you are sure. Providers often charge for unreturned routers, and the return window can be shorter than people expect.
Phone Numbers, Email and Other Extras
If you keep a landline, confirm the number moves with you. Most switches transfer it, but check explicitly, especially if the number matters for alarms, family, or work.
Provider email addresses are a hidden risk. If your email address belongs to your old provider, you may lose it or start paying to keep it after leaving.
Move important accounts to an independent email address before you switch. Banks, shopping, and government accounts matter most, and this job always takes longer than expected.
Common Mistakes to Avoid
The classic mistake is cancelling first. Once the old service is ceased, you can be left waiting for a new activation slot with no connection at all.
Second is switching networks without realising it. Moving between separate networks needs a manual overlap, which surprises people who expected an automatic handover.
Third is throwing away cables, filters, or the old router on day one. Keep everything until the new service has survived several normal days of use.
Finally, do not ignore the first bill. Check that the old provider has stopped charging and refunded any overpayment, and that the new price matches the deal you agreed.
Conclusion
Overlap is the whole secret. Order first, activate second, cancel last, and reuse your old Wi-Fi name and password so your devices barely notice the change.
Do that, and switching becomes a routine money-saving job rather than a risky event. A few days of double service is a small price for zero downtime.
Frequently Asked Questions
How long does a broadband switch usually take?
Most switches complete on the agreed date, often around two weeks after you order to allow for the notification period. Same-network switches are usually the smoothest, while new full fibre installations depend on engineer availability.
Can I keep my phone number when I switch?
Usually yes. Tell the new provider you want to keep the number and do not cancel the old service yourself first, because cancelling can release the number before it can be transferred.
What if my new connection is slower than promised?
Test with a wired connection and give the line a day to settle. If speeds stay below the guaranteed minimum you were given, contact the provider, as you may have a right to leave without penalty.
Do I need an engineer visit to switch?
Often not for same-network switches, where the new router is simply posted to you. A new full fibre connection or a first-time installation at the property usually does need an engineer appointment.
Will I lose my email address if I switch?
If your email is provided by your old broadband company, you might. Some charge to keep it after leaving. Moving key accounts to an independent email service before switching removes the risk entirely.
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