By Adrian James, Broadband Editor
Short answer: What to check before signing with a small altnet is the total contract cost, how the line reaches your home, the installation terms, support arrangements and what happens if you move or switch later. A smaller network can be a good fit where it serves your address, but availability alone is not the whole decision.
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- Confirm the service is available at your exact address, not just your street.
- Read the contract summary for every charge, term and stated price change.
- Ask how installation works in your property and who needs to give permission.
- Check the cancellation, moving-home and fault-reporting process before committing.
A family moving into a rented house may see a full fibre option at the address and assume the hard part is over. It may not be. The landlord might need to approve external work, the property may need an engineer visit, and the family still needs a clear answer on activation timing before ending their existing service. Checking these points early is how you avoid a preventable gap in connection.
Is a small altnet available at my exact address?
Check the address result, then check what installation it assumes. An altnet is an alternative network operator that has built broadband infrastructure separately from the older national network. Some use full fibre, also called Fibre to the Premises or FTTP, where fibre runs to your home rather than stopping at a street cabinet.
Availability can differ between neighbouring homes, particularly in flats, new developments and rural areas. Ask whether the address is already connected, whether an external cable must be fitted and whether an internal installation appointment is needed. If you rent or live in a managed building, establish who can approve the work before you order.
Full fibre availability is growing, but a national figure does not decide what you can order. 82% of UK homes could access full fibre on 13 May 2026, according to Ofcom's Connected Nations Update. Your postcode and address check remains the useful test for your household.
What will the contract really cost?
Use the contract summary to assess the whole commitment, not a headline monthly figure. Check the contract length, any activation or installation charge, equipment terms and the amount due if you leave early. Also look for conditions that could change the amount you pay, such as a stated annual increase.
For new contracts, inflation-linked mid-contract price rises have been banned since 17 January 2025. Any future rise must be set out in pounds and pence when you buy, rather than being tied to an inflation measure. This is a useful prompt to read the wording carefully, even where the figure looks manageable today (Ofcom, 17 January 2025).
The right choice depends on your plans. A longer agreement may suit an owner-occupier who expects to stay put, while someone moving soon may value clearer flexibility. Do not assume that a low initial payment means the lowest cost over the full term.
Will installation work for my home?
Get a practical description of the work before placing the order. Full fibre can require a cable from the street to an external wall, then a small entry point and equipment inside. Ask where the cable would run, whether you need to be present, and whether an engineer can work around access restrictions or listed-building requirements.
For tenants, written landlord permission is often sensible before work is booked. For flats, the freeholder or managing agent may control access to communal areas. Do not leave these questions until an appointment has been arranged, especially if you are coordinating a move.
Ask what happens if the planned route cannot be used on the day. There may be a revised installation date, further permissions or an alternative route to consider. A provider should be able to explain the next step without relying on vague assurances.
Is the speed and Wi-Fi setup right for us?
Separate the line entering your home from the Wi-Fi you use around it. A full fibre connection can give your household a strong starting point, but walls, room layout and device placement affect wireless coverage. A home worker in a loft room and children using devices elsewhere may need to think about router position and whether additional Wi-Fi equipment is available.
Start with how your household uses the connection at busy times. Video calls, online gaming, cloud backups and several people online together create different demands from basic browsing. For a home office or sole trader, also ask about support hours, any service commitments and whether a business broadband option is more appropriate.
Use an independent speed guide to sense-check your needs, then compare the connection types available at your address. Avoid choosing solely on the largest number shown. The best fit is one that matches your usage, property and budget without paying for capacity you are unlikely to use.
How would switching from my current provider work?
Ask the new provider to explain the switch route before you order. One Touch Switch went live on 12 September 2024 and is run by TOTSCo. Where the process applies, you contact the new provider, which coordinates the switch rather than asking you to contact your old provider yourself (TOTSCo, 12 September 2024).
A move to a separately built network may not follow exactly the same process as a like-for-like transfer. That is why you should ask whether you need to cancel an existing service, when to do so, and whether you risk overlap or a gap in service. Never cancel first unless the new provider has clearly told you that is necessary.
Check your current contract end date and early exit charges too. Ofcom reported that out-of-contract customers paid £7.20 more each month for standalone broadband than new customers on 26 February 2026, which makes reviewing an expired contract worthwhile (Ofcom, 26 February 2026).
What support, landline and moving-home terms should I read?
Read the terms for problems that happen after installation, not just the order journey. Check how faults are reported, the support contact hours, whether equipment must be returned when you leave and what happens if you move to an address outside the network area. These details matter more with a smaller network because your next address may not have the same choice.
If you still use a traditional home phone, ask how it will work with the new connection. The old Public Switched Telephone Network closes on 31 January 2027, so households that rely on a landline should understand any replacement arrangement before changing broadband (Ofcom, 31 January 2027).
Also consider essential devices. If you use a telecare device, alarm or other equipment connected to a phone line, check compatibility with the relevant service provider before the change. Do not assume every device will work in the same way after a broadband-led phone service is installed.
How do small altnets compare with other connection options?
Choose the option that works at your address and fits your circumstances, rather than treating network size as a verdict.
| Option | What to check before ordering | May suit |
|---|---|---|
| Small altnet full fibre | Address coverage, installation route, contract and future moving terms | Homes in its build area that want a new fibre connection |
| Openreach-based full fibre | Available providers, installation status and switching route | Homes with several provider choices on the same network |
| Cable broadband | Property serviceability, equipment and contract terms | Homes already served by a cable network |
| 4G or 5G home broadband | Indoor signal, data terms and consistency at busy times | Homes needing an alternative where fixed line options are limited |
What to do next
- Gather your current contract end date, any early exit charge and the services that must stay working during a change.
- Check the small altnet's installation, support, moving-home and cancellation terms against another available connection type.
- Check your postcode and full address to see the broadband deals actually available to you.
Frequently asked questions
Is a small altnet safe to choose?
A smaller network is not automatically better or worse than a larger one. Judge the service on address availability, the contract, installation plan and the support information you can verify. If any part of the order process is unclear, ask for the answer before agreeing to the contract.
Do I need my landlord's permission for full fibre?
You may need permission where installation changes the outside of the property, requires drilling or involves shared building areas. Check your tenancy agreement and ask the landlord or managing agent early. It is better to have written confirmation before an engineer appointment is booked.
Can I keep my existing broadband until the new service is live?
Often that is the sensible aim, but the correct process depends on the networks involved and your current contract. Ask the new provider whether the switch is coordinated and whether you should take any action with your existing provider. Do not make assumptions that could leave you without service.
What if I move during the contract?
Read the moving-home terms before ordering. The new address may not be covered by the same network, and the contract should explain the options in that situation. If a move is likely, this can matter as much as the service available where you live now.
Should I choose full fibre just because it is available?
Full fibre can be a strong option, but availability is only one part of the decision. Check the total contract cost, the installation requirements, your household's actual usage and the terms for faults or moving. A connection should suit your home as well as look good on an availability checker.
See my broadband deals. Postcode only. No signup. About 30 seconds.
A careful address check and a few direct questions before you order can make a smaller network option feel straightforward rather than uncertain.