Cities of London and Westminster Broadband Coverage
Westminster parliamentary constituency · England · 123,624 premises
Cities of London and Westminster sits above the national curve for full-fibre, 87.0% versus a 81% UK average.
The verdict
Cities of London and Westminster ranks #240 of 650 constituencies for full-fibre (87.0%) and #335 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge.
Broadband Coverage in Cities of London and Westminster
England's Cities of London and Westminster constituency has 123,624 premises on record. Its full-fibre availability of 87.0% is above-average; add in gigabit-capable cable upgrades and that figure rises to 88.5%. Superfast broadband (30 Mbit/s or more) is available to 95.1% of premises, with 88.6% able to reach ultrafast (300 Mbit/s or more) speeds.
On connectivity for all households, Cities of London and Westminster has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 87.0% is 6.0pp above the 81% UK average; gigabit-capable coverage is 88.5% and ultrafast 88.6%.
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 England with comparable full-fibre coverage are listed below.
Coverage Metrics
Where Cities of London and Westminster Sits Nationally
Cities of London and Westminster vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. Cities of London and Westminster's 87.0% places it in the highlighted band.
87% Top 37% higher than 63% 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 Cities of London and Westminster (mid-pack full-fibre at 87.0%), both outside England so the neighborhoods are not the same-nation Nearby block above.
Similar full-fibre
Nearest other-nation constituencies by full-fibre coverage (87.0% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (88.5% here).
What 87.0% full-fibre means for Cities of London and Westminster
Cities of London and Westminster is 6.0pp 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 Cities of London and Westminster 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 Cities of London and Westminster sit in the national full-fibre distribution?
Cities of London and Westminster has 87.0% full-fibre coverage, 6.0pp above the 81% UK average (rank #240 of 650), higher than 408 of 650 UK constituencies. Gigabit-capable coverage is 88.5%.
What share of Cities of London and Westminster premises still lack decent fixed/FWA broadband?
Ofcom's Spring 2026 measure shows all measured premises in Cities of London and Westminster can receive decent fixed or fixed-wireless broadband. Ultrafast (≥300 Mbit/s) coverage is 88.6%.
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.