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Beyond Broadband

Broadband in Portsmouth

87.6% of homes and businesses in Portsmouth can get full fibre broadband, above the UK figure of 81%. That's up 11.1 points in a year: 10,752 more premises can now order it. 297 still can't get 10 Mbit/s from a fixed line.

87.6%can get full fibre
96.9%gigabit-capable
297can't get 10 Mbit/s
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What speeds can you get in Portsmouth?

Fastest download speed available, share of all 95,584 premises (homes and businesses), January 2026.

300 Mbit/s or faster97.3% 93,020
30 to 300 Mbit/s1.7% 1,664
10 to 30 Mbit/s0.6% 538
Under 10 Mbit/s0.3% 297
Not matched0.1% 65

Full fibre rollout

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

Full fibre Gigabit-capable (incl. cable)

How Portsmouth compares

PortsmouthEnglandUK
Full fibre87.6%81.3%81%
Gigabit-capable96.9%88.4%87.8%
Superfast (30 Mbit/s+)99.1%97.8%97.7%
Can't get 10 Mbit/s0.3%0.6%0.7%

Portsmouth ranks 104th of 361 UK council areas for full fibre coverage (see all).

34%of premises that can get full fibre in Portsmouth 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 Portsmouth

7,096 of 101,638 premises in BDUK's records (7%) can't get a gigabit-capable connection yet. Here's what's planned for them.

In a provider's own build plan34.5% 2,446
In a Project Gigabit contract1.1% 76
No plan yet64.5% 4,574

Project Gigabit contracts

Contracted build here is due to finish by March 2030.

Broadband by postcode district

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

PO185%94%0.3%830
PO296%98%0.5%756
PO398%98%1.1%435
PO497%100%0%733
PO590%98%1.1%660
PO695%97%1.2%899

Mobile and data use in Portsmouth

99.9%of premises get indoor 4G from all four mobile networks
100%have outdoor 5G from at least one network
558 GBaverage monthly data use per home broadband line (2024)

Questions

Can I get full fibre broadband in Portsmouth?

87.6% of premises in Portsmouth could order full fibre in January 2026, and 96.9% could get gigabit speeds (full fibre or cable). Coverage varies street by street, so check your postcode.

How fast is full fibre spreading in Portsmouth?

Full fibre coverage in Portsmouth went from 76.5% in January 2025 to 87.6% in January 2026: 10,752 more premises.

How many homes in Portsmouth have slow broadband?

297 premises in Portsmouth (0.3%) can't get 10 Mbit/s download speeds from a fixed line, and 2 can't get what Ofcom calls decent broadband from a fixed line or fixed wireless.

How many people in Portsmouth have switched to full fibre?

About 34% of premises that can get full fibre in Portsmouth 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 Portsmouth?

7,096 premises in Portsmouth can't get gigabit broadband yet. 2,446 are in a provider's own build plans, 76 are in a government Project Gigabit contract due to finish by March 2030, and 4,574 have no plan yet (May 2026). Enter your postcode above to see what's planned where you live.

Which parts of Portsmouth have the best broadband?

Of the 6 postcode districts we cover for Portsmouth, PO3 has the most gigabit coverage (98% on average) and PO1 the least (85%).

Is 5G available in Portsmouth?

100% of premises in Portsmouth have outdoor 5G coverage from at least one mobile network (Ofcom, high-confidence predictions, January 2026). 4G indoors from all four networks reaches 99.9%.

Nearby

See what you can get at your address in Portsmouth

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