Local authority · England
Cornwall Broadband Coverage
Full-fibre reach, coverage gaps and how Cornwall compares across 361 UK local authorities, from Ofcom Connected Nations data.
- 65.3%
- Full-fibre coverage
- #318
- of 361 UK authorities
- −15.7pp
- vs 81% UK average
- 312,395
- premises covered
The verdict
Cornwall ranks #318 of 361 local authorities for full-fibre (65.3%) and #49 for the fixed/FWA availability gap (0.3%) - those two corpus maps diverge. It is mid-table for full-fibre, with room to close the gap with 65.3% full-fibre coverage, 15.7pp below the 81% UK average (bottom 12.2%).
Data updated August 2026
How Cornwall's 20/100 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-CORNWALL · Cornwall 312,395 premises · England
BOOK-MEGA · RANK-LOWER · FF-LOW-MID
- BOOK-MEGA 312,395
- RANK-LOWER #318
- FF-LOW-MID 65.3%
- GAP-CLEAR 0.3%
- DELTA-LAG -15.7pp
- IN-NA-MID #266 in England
- NEAR-BELOW over MORAY
- MIX-TIGHT +0.7pp mix
Nearest full-fibre peer: MORAY ( -1.2 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%
- Cornwall 65.3%
- MORAY 64.1%
- DUMFRIES AND GALLOWAY 66.9%
- HIGHLAND 63.3%
- ISLE OF ANGLESEY 67.6%
Coverage by Technology - Cornwall
Where Cornwall Sits Nationally
Cornwall vs every UK local authority
Full-fibre coverage distribution across all 361 UK local authorities. Cornwall's 65.3% places it in the highlighted band.
65.3% Bottom 12.2% ranked #318 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) | 65.3% |
| Gigabit-Capable | 66% |
| Ultrafast Broadband (≥300 Mbit/s) | 66.3% |
| Ultrafast (≥100 Mbit/s) | 66.8% |
| Superfast (≥30 Mbit/s) | 93.3% |
| NGA (any next-generation access) | 96.4% |
| Fixed Wireless Access (FWA) | 18.7% |
| No decent fixed/FWA broadband | 0.3% |
| Full-Fibre Take-Up (all premises) | 37% |
| Full-Fibre Take-Up (covered premises) | 57% |
| Total Premises | 312,395 |
| National Rank (Full-Fibre) | #318 / 361 |
Related
Source: Open Government Licence v3.0.
Nationwide local authorities with similar full-fibre or gigabit coverage
Two Ofcom peer sets for Cornwall, 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 (65.3% here; floor ≥10,000 premises).
Similar gigabit
Nearest other-nation local authorities by gigabit-capable coverage (66% here).
What 65.3% full-fibre means for Cornwall
Cornwall is 15.7pp behind the 81% UK average, worth checking your own address before assuming the gap applies to you.
- Check your own address, an authority average can hide big street-by-street differences in coverage. Check your postcode
- See how Cornwall ranks against every other UK local authority, not just the national average. Full UK rankings
- Learn what to do if full-fibre is not available at your address yet. 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.
Frequently Asked Questions
Why is full-fibre coverage lower in Cornwall?
Ofcom records 65.3% full-fibre coverage across 312,395 premises (rank #318 of 361). Gigabit-capable coverage is 66%; 0.3% of premises lack decent fixed/FWA broadband on the Spring 2026 measure. Figures are availability, not take-up or service quality.
Which Ofcom speeds are already present in Cornwall?
Superfast (≥30 Mbit/s) reaches 93.3% of premises, ultrafast (≥300 Mbit/s) 66.3%, and NGA any-next-gen 96.4%. Full-fibre (FTTP) is 65.3%. Source: Ofcom Connected Nations Spring 2026 (January 2026 snapshot, published May 2026 (r1)).
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.