Broadband in Portsmouth
Home broadband in Portsmouth from £10/month — 4G & 5G, no landline, no engineer.
Silux Mobile provides 4G/5G home broadband across Portsmouth and Hampshire on Three's network. No phone line, no installation — router delivered next-day, plug in and go.
Why Portsmouth Chooses Silux Broadband
No Landline in Portsmouth
4G/5G home broadband for Portsmouth — no phone line, no engineer, no installation.
Three 5G in Portsmouth
Fast 5G/4G coverage across Portsmouth and Hampshire — the same network as Three.
Plug & Play
Router delivered next-day. Plug in and you are online in minutes.
No Contract
30-day rolling broadband. Cancel anytime — no exit fees.
The Silux Mobile Promise
No price increases
Fixed price — no price increases during your contract
Free broadband upgrades
Free upgrades to faster plans and kit
No mid-contract rises
No annual or inflation-linked price hikes
No hidden fees
No setup fees, no engineer needed — cancel any time
Broadband Plans — Delivered to Portsmouth
On Three 5G/4G. No landline, no contract.
Broadband Unlimited
Unlimited
£18/mo
- Unlimited data
- 4G/5G router
- No landline
- No engineer
Three 5G Broadband Coverage in Portsmouth
Three's 5G/4G network covers Portsmouth and Hampshire — fast enough for streaming, video calls and working from home. Check your postcode before ordering.
Check Your Portsmouth PostcodeBroadband in Portsmouth — FAQs
Can I get mobile broadband in Portsmouth?
Yes. Silux Mobile's 4G & 5G home broadband works anywhere with Three coverage, including Portsmouth and the wider Hampshire area — no landline or phone line required.
Do I need an engineer or a phone line in Portsmouth?
No. There's no engineer visit and no landline. Your router arrives by next-day delivery to Portsmouth, you plug it in, and you're online in minutes.
How fast is 5G broadband in Portsmouth?
Where Three 5G is live in Portsmouth, typical speeds are fast enough for 4K streaming, video calls and working from home. On 4G you'll comfortably browse, stream HD and game.
Is there a contract for broadband in Portsmouth?
We offer no-contract, 30-day rolling broadband as well as longer plans. Cancel anytime on rolling plans — no exit fees.
Will my broadband price rise mid-contract?
No. There are no mid-contract or inflation-linked price rises. The price you start at in Portsmouth is the price you keep.
Are broadband prices in Portsmouth inclusive of VAT?
Yes. No hidden fees — every broadband price shown to customers in Portsmouth is the price you pay, incl. VAT.