Local authority · England
Southampton Broadband Coverage
Full-fibre reach, coverage gaps and how Southampton compares across 361 UK local authorities, from Ofcom Connected Nations data.
- 95%
- Full-fibre coverage
- #17
- of 361 UK authorities
- +14pp
- vs 81% UK average
- 116,135
- premises covered
The verdict
Southampton ranks #17 of 361 local authorities for full-fibre (95.0%) and #317 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge. It is one of the best-connected places in the UK with 95% full-fibre coverage, 14pp above the 81% UK average (top 4.7%).
Data updated August 2026
How Southampton's 82/100 score is built
Based on full-fibre and gigabit coverage, full-fibre take-up, the not-spot rate below the Universal Service Obligation, and superfast baseline coverage from Ofcom Connected Nations - not pricing, contended speeds in practice, or which providers actually serve an address.
Coverage desk
Extract OFCOM-CN-SOUTHAMPTON · Southampton 116,135 premises · England
BOOK-LARGE · RANK-TOP · FF-NEAR-UNIV
- BOOK-LARGE 116,135
- RANK-TOP #17
- FF-NEAR-UNIV 95%
- GAP-CLEAR 0%
- DELTA-LEAD +14pp
- IN-NA-UPPER #11 in England
- PHOTO-FINISH ≈ NEWRY, MOURNE AND DOWN
- MIX-TIGHT +2pp mix
Nearest full-fibre peer: NEWRY, MOURNE AND DOWN (+ 0.1 pp full-fibre)
Instrument codes from this district’s Ofcom Connected Nations extract: premises book, corpus rank, full-fibre band, fixed/FWA gap, UK delta, in-nation rank, photo-finish peer, and gigabit mix, not a service-quality score.
Full-fibre neighbourhood
Nationwide coverage poles and nearest ABS full-fibre peers, not a reprint of the metrics table.
- #1 full-fibre · KINGSTON UPON HULL, 99.6%
- UK average 81%
- Southampton 95%
- NEWRY, MOURNE AND DOWN 95.1%
- MID AND EAST ANTRIM 95.2%
- LISBURN AND CASTLEREA… 95.4%
- DERRY CITY AND STRABA… 94.5%
Coverage by Technology - Southampton
Where Southampton Sits Nationally
Southampton vs every UK local authority
Full-fibre coverage distribution across all 361 UK local authorities. Southampton's 95% places it in the highlighted band.
95% Top 4.7% ranked #17 of 361 UK authorities
every UK local authority, bucketed by full-fibre coverage
Source: Ofcom Connected Nations Spring 2026 (January 2026 snapshot, published May 2026 (r1))
Full Coverage Data
| Metric | Coverage |
|---|---|
| Full-Fibre (FTTP) | 95% |
| Gigabit-Capable | 97% |
| Ultrafast Broadband (≥300 Mbit/s) | 97.2% |
| Ultrafast (≥100 Mbit/s) | 97.5% |
| Superfast (≥30 Mbit/s) | 98.5% |
| NGA (any next-generation access) | 98.6% |
| No decent fixed/FWA broadband | 0% |
| Full-Fibre Take-Up (all premises) | 40% |
| Full-Fibre Take-Up (covered premises) | 48% |
| Total Premises | 116,135 |
| National Rank (Full-Fibre) | #17 / 361 |
Related
Source: Open Government Licence v3.0.
Nationwide local authorities with similar full-fibre or gigabit coverage
Two Ofcom peer sets for Southampton, both outside England so the neighborhoods are not the same-nation Nearby block above.
Similar full-fibre
Nearest other-nation local authorities by full-fibre coverage (95% here; floor ≥10,000 premises).
Similar gigabit
Nearest other-nation local authorities by gigabit-capable coverage (97% here).
What 95% full-fibre means for Southampton
Southampton is 14pp ahead of the 81% UK average, but coverage still varies street by street.
- Check your own address, an authority average can hide big street-by-street differences in coverage. Check your postcode
- See how Southampton ranks against every other UK local authority, not just the national average. Full UK rankings
- Understand what full-fibre actually gets you before switching. Full-fibre vs gigabit guide
Coverage figures are Ofcom Connected Nations availability data, not a guarantee of service at any single address; always check before switching.
Frequently Asked Questions
How close is Southampton to universal full-fibre?
Ofcom Connected Nations Spring 2026 puts full-fibre (FTTP) at 95% of premises in Southampton (corpus rank #17 of 361). Gigabit-capable coverage is 97%. The UK average full-fibre share is 81%.
Is the fixed/FWA availability gap closed in Southampton?
Ofcom's Spring 2026 measure shows every measured premise in Southampton can receive decent broadband from a fixed line or fixed-wireless network.
Local authority figures are computed directly from Ofcom Connected Nations data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.