Llanelli Broadband Coverage
Westminster parliamentary constituency · Wales · 47,112 premises
Llanelli is comfortably above the UK's 81% full-fibre benchmark, at 84.5%.
The verdict
Llanelli ranks #280 of 650 constituencies for full-fibre (84.5%) and #184 for the fixed/FWA availability gap (0.1%) - those two corpus maps diverge.
Broadband Coverage in Llanelli
47,112 premises make up the Llanelli constituency in Wales. Full-fibre sits at 84.5%, above-average, and folding in gigabit-capable cable upgrades takes coverage to 84.5%. 97.5% of premises reach superfast (30 Mbit/s or more) and 84.5% reach ultrafast (300 Mbit/s or more).
On connectivity for all households, Llanelli has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 84.5% is 3.5pp above the 81% UK average; gigabit-capable coverage is 84.5% and ultrafast 84.5%.
Where these figures come from
Figures are drawn from Ofcom's Connected Nations Spring 2026 report (January 2026 snapshot, published May 2026 (r1)), which aggregates postcode-sector data to constituency level. They represent coverage availability from at least one network operator, not the proportion of households that have subscribed to a given speed tier, nor the typical or guaranteed speeds that customers actually receive. Nearby constituencies in Wales with comparable full-fibre coverage are listed below.
Coverage Metrics
Where Llanelli Sits Nationally
Llanelli vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. Llanelli's 84.5% places it in the highlighted band.
84.5% Top 44% higher than 56% of 650 UK constituencies
every UK parliamentary constituency, bucketed by value
Each bar is a band; taller bars hold more UK constituencies. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source Ofcom Connected Nations Spring 2026 · January 2026 snapshot, published May 2026 (r1)
Related
Source: Source: Ofcom Connected Nations Spring 2026 (January 2026 snapshot, published May 2026 (r1)).
Nationwide constituencies with similar full-fibre or gigabit coverage
Two Ofcom peer sets for Llanelli (mid-pack full-fibre at 84.5%), both outside Wales so the neighborhoods are not the same-nation Nearby block above.
Similar full-fibre
Nearest other-nation constituencies by full-fibre coverage (84.5% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (84.5% here).
What 84.5% full-fibre means for Llanelli
Llanelli is 3.5pp ahead of the 81% UK average, but coverage still varies street by street.
- Check your own address, a constituency average can hide big street-by-street differences in coverage. Check your postcode
- See how Llanelli ranks against every other UK constituency, 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.
Frequently Asked Questions
Where does Llanelli sit in the national full-fibre distribution?
Llanelli has 84.5% full-fibre coverage, 3.5pp above the 81% UK average (rank #280 of 650), higher than 367 of 650 UK constituencies. Gigabit-capable coverage is 84.5%.
What share of Llanelli premises still lack decent fixed/FWA broadband?
0.1% of premises in Llanelli cannot receive decent broadband from a fixed line or fixed-wireless network on Ofcom's Spring 2026 measure. Ultrafast (≥300 Mbit/s) coverage is 84.5%.
This constituency's 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.