Carshalton and Wallington Broadband Coverage
Westminster parliamentary constituency · England · 43,543 premises
Carshalton and Wallington's full-fibre coverage, 78.8%, trails the UK national average of 81%.
The verdict
Carshalton and Wallington ranks #404 of 650 constituencies for full-fibre (78.8%) and #321 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge.
Broadband Coverage in Carshalton and Wallington
Carshalton and Wallington is one of England's Westminster constituencies, home to 43,543 premises. 91.8% have a gigabit-capable connection once cable upgrades are counted alongside full-fibre, which alone covers 78.8% of premises, broadly in line with national trends. Superfast (30 Mbit/s or more) reaches 99.1%, ultrafast (300 Mbit/s or more) reaches 91.9%.
On connectivity for all households, Carshalton and Wallington has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 78.8% is 2.2pp below the 81% UK average; gigabit-capable coverage is 91.8% and ultrafast 91.9%.
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 Carshalton and Wallington Sits Nationally
Carshalton and Wallington vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. Carshalton and Wallington's 78.8% places it in the highlighted band.
78.8% 404th of 650 higher than 244 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 Carshalton and Wallington (mid-pack full-fibre at 78.8%), 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 (78.8% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (91.8% here).
What 78.8% full-fibre means for Carshalton and Wallington
Carshalton and Wallington is 2.2pp behind the 81% UK average, worth checking your own address before assuming the gap applies to you.
- Check your own address, a constituency average can hide big street-by-street differences in coverage. Check your postcode
- See how Carshalton and Wallington ranks against every other UK constituency, 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
Where does Carshalton and Wallington sit in the national full-fibre distribution?
Carshalton and Wallington has 78.8% full-fibre coverage, 2.2pp below the 81% UK average (rank #404 of 650), higher than 244 of 650 UK constituencies. Gigabit-capable coverage is 91.8%.
What share of Carshalton and Wallington premises still lack decent fixed/FWA broadband?
Ofcom's Spring 2026 measure shows all measured premises in Carshalton and Wallington can receive decent fixed or fixed-wireless broadband. Ultrafast (≥300 Mbit/s) coverage is 91.9%.
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.