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Beyond Broadband

Broadband in Southampton

95% of homes and businesses in Southampton can get full fibre broadband, above the UK figure of 81%. That's up 7.5 points in a year: 9,136 more premises can now order it. 253 still can't get 10 Mbit/s from a fixed line.

95%can get full fibre
97%gigabit-capable
253can't get 10 Mbit/s
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What speeds can you get in Southampton?

Fastest download speed available, share of all 116,135 premises (homes and businesses), January 2026.

300 Mbit/s or faster97.2% 112,862
30 to 300 Mbit/s1.3% 1,510
10 to 30 Mbit/s1.1% 1,273
Under 10 Mbit/s0.2% 253
Not matched0.2% 237

Full fibre rollout

Share of premises that can order full fibre (and gigabit, which also counts cable).

Full fibre Gigabit-capable (incl. cable)

How Southampton compares

SouthamptonEnglandUK
Full fibre95%81.3%81%
Gigabit-capable97%88.4%87.8%
Superfast (30 Mbit/s+)98.5%97.8%97.7%
Can't get 10 Mbit/s0.2%0.6%0.7%

Southampton ranks 17th of 361 UK council areas for full fibre coverage (see all).

48%of premises that can get full fibre in Southampton have switched to it. If you haven't, a full fibre plan is often no more expensive than the copper line you have now.

Homes still waiting for gigabit in Southampton

9,002 of 121,132 premises in BDUK's records (7.4%) can't get a gigabit-capable connection yet. Here's what's planned for them.

In a provider's own build plan65.8% 5,922
In a Project Gigabit contract0% 0
No plan yet34.2% 3,080

Broadband by postcode district

Average across each district's postcodes. Tap a column to sort.

SO1486%92%1%799
SO1594%95%1.2%1120
SO1689%98%0.3%1526
SO1798%100%0%437
SO1897%99%0.4%897
SO1998%100%0%1194

Mobile and data use in Southampton

99.5%of premises get indoor 4G from all four mobile networks
100%have outdoor 5G from at least one network
533 GBaverage monthly data use per home broadband line (2024)

Questions

Can I get full fibre broadband in Southampton?

95% of premises in Southampton could order full fibre in January 2026, and 97% could get gigabit speeds (full fibre or cable). Coverage varies street by street, so check your postcode.

How fast is full fibre spreading in Southampton?

Full fibre coverage in Southampton went from 87.5% in January 2025 to 95% in January 2026: 9,136 more premises.

How many homes in Southampton have slow broadband?

253 premises in Southampton (0.2%) can't get 10 Mbit/s download speeds from a fixed line, and 7 can't get what Ofcom calls decent broadband from a fixed line or fixed wireless.

How many people in Southampton have switched to full fibre?

About 48% of premises that can get full fibre in Southampton have taken it up. The rest are still on older copper or cable lines, often paying similar prices for slower speeds.

When will full fibre come to the rest of Southampton?

9,002 premises in Southampton can't get gigabit broadband yet. 5,922 are in a provider's own build plans, 0 are in a government Project Gigabit contract, and 3,080 have no plan yet (May 2026). Enter your postcode above to see what's planned where you live.

Which parts of Southampton have the best broadband?

Of the 6 postcode districts we cover for Southampton, SO17 has the most gigabit coverage (98% on average) and SO14 the least (86%).

Is 5G available in Southampton?

100% of premises in Southampton have outdoor 5G coverage from at least one mobile network (Ofcom, high-confidence predictions, January 2026). 4G indoors from all four networks reaches 99.5%.

Nearby

See what you can get at your address in Southampton

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