Local authority · England
SEFTON Broadband Coverage
Full-fibre reach, coverage gaps and how SEFTON compares across 361 UK local authorities, from Ofcom Connected Nations data.
- 84.2%
- Full-fibre coverage
- #149
- of 361 UK authorities
- +3.2pp
- vs 81% UK average
- 140,780
- premises covered
The verdict
SEFTON ranks #149 of 361 local authorities for full-fibre (84.2%) and #309 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge. It is ahead of the UK average for full-fibre with 84.2% full-fibre coverage, 3.2pp above the 81% UK average (top 41.3%).
Data updated August 2026
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.
Coverage desk
Extract OFCOM-CN-SEFTON · SEFTON 140,780 premises · England
BOOK-LARGE · RANK-MID · FF-MID
- BOOK-LARGE 140,780
- RANK-MID #149
- FF-MID 84.2%
- GAP-CLEAR 0%
- DELTA-ABOVE +3.2pp
- IN-NA-MID #118 in England
- PHOTO-FINISH ≈ EDINBURGH
- MIX-CABLE +4.1pp cable
Nearest full-fibre peer: CITY OF EDINBURGH (+ 0 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%
- SEFTON 84.2%
- EDINBURGH 84.2%
- SWANSEA 85.3%
- DUNDEE CITY 85.8%
- WREXHAM 86.1%
Coverage by Technology - SEFTON
Where SEFTON Sits Nationally
SEFTON vs every UK local authority
Full-fibre coverage distribution across all 361 UK local authorities. SEFTON's 84.2% places it in the highlighted band.
84.2% Top 41.3% ranked #149 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) | 84.2% |
| Gigabit-Capable | 88.3% |
| Ultrafast Broadband (≥300 Mbit/s) | 89.3% |
| Ultrafast (≥100 Mbit/s) | 90.5% |
| Superfast (≥30 Mbit/s) | 98.8% |
| NGA (any next-generation access) | 99.1% |
| No decent fixed/FWA broadband | 0% |
| Full-Fibre Take-Up (all premises) | 34% |
| Full-Fibre Take-Up (covered premises) | 40% |
| Total Premises | 140,780 |
| National Rank (Full-Fibre) | #149 / 361 |
Related
Source: Open Government Licence v3.0.
Nationwide local authorities with similar full-fibre or gigabit coverage
Two Ofcom peer sets for SEFTON, 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 (84.2% here; floor ≥10,000 premises).
Similar gigabit
Nearest other-nation local authorities by gigabit-capable coverage (88.3% here).
Frequently Asked Questions
Where does SEFTON sit vs the UK full-fibre average?
SEFTON has 84.2% full-fibre coverage, 3.2pp above the 81% UK average (rank #149 of 361). Gigabit-capable coverage is 88.3% and superfast (≥30 Mbit/s) is 98.8%. Source: Ofcom Connected Nations Spring 2026.
What share of SEFTON premises still lack decent fixed/FWA broadband?
Ofcom's Spring 2026 measure shows all measured premises can receive decent fixed or fixed-wireless broadband. Ultrafast (≥300 Mbit/s) coverage is 89.3%.
What 84.2% full-fibre means for SEFTON
SEFTON is 3.2pp 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 SEFTON ranks against every other UK local authority, not just the national average. Full UK rankings
- Understand what full-fibre actually gets you before switching. How Ofcom Connected Nations works
Coverage figures are Ofcom Connected Nations availability data, not a guarantee of service at any single address; always check before switching.
Source: Ofcom, Connected Nations Spring 2026, UK Fixed Broadband Coverage (January 2026 snapshot, published May 2026 (r1)). Retrieved and formatted by PlainBroadband. Disclaimer: Coverage figures show availability, not guaranteed service quality or actual take-up. Published under the Open Government Licence v3.0.