BRENTFORD AND ISLEWORTH Broadband Coverage
Westminster parliamentary constituency · England · 49,690 premises
BRENTFORD AND ISLEWORTH lags the UK's 81% full-fibre average, currently at 59.5%.
The verdict
BRENTFORD AND ISLEWORTH ranks #622 of 650 constituencies for full-fibre (59.5%) and #298 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge.
Broadband Coverage in BRENTFORD AND ISLEWORTH
With 49,690 premises, BRENTFORD AND ISLEWORTH sits in England. Its full-fibre availability of 59.5% is below the UK national average; add in gigabit-capable cable upgrades and that figure rises to 92.5%. Superfast broadband (30 Mbit/s or more) is available to 98.6% of premises, with 92.5% able to reach ultrafast (300 Mbit/s or more) speeds.
On connectivity for all households, BRENTFORD AND ISLEWORTH has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Lower-third full-fibre at 59.5% leaves more of the seat on earlier NGA tiers: superfast 98.6%, ultrafast 92.5%.
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 England with comparable full-fibre coverage are listed below.
Coverage Metrics
Where BRENTFORD AND ISLEWORTH Sits Nationally
BRENTFORD AND ISLEWORTH vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. BRENTFORD AND ISLEWORTH's 59.5% places it in the highlighted band.
59.5% 622nd of 650 higher than 28 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 BRENTFORD AND ISLEWORTH (lower-third full-fibre at 59.5%), 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 (59.5% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (92.5% here).
Frequently Asked Questions
Why is full-fibre coverage lower in BRENTFORD AND ISLEWORTH?
Ofcom records 59.5% full-fibre coverage across 49,690 premises in BRENTFORD AND ISLEWORTH (rank #622 of 650), ahead of 28 of 650 UK constituencies. Gigabit-capable coverage is 92.5%. Figures are availability, not take-up or service quality.
Which Ofcom speeds are already present in BRENTFORD AND ISLEWORTH?
Superfast (≥30 Mbit/s) reaches 98.6% of premises, ultrafast (≥300 Mbit/s) 92.5%. Full-fibre (FTTP) is 59.5%. Source: Ofcom Connected Nations Spring 2026 (January 2026 snapshot, published May 2026 (r1)).
What 59.5% full-fibre means for BRENTFORD AND ISLEWORTH
BRENTFORD AND ISLEWORTH is 21.5pp 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 BRENTFORD AND ISLEWORTH 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.
Source: Ofcom Connected Nations Spring 2026, January 2026 release (r1). Published under the Open Government Licence v3.0. Figures represent premises-level coverage availability, not actual subscriptions or speeds experienced.
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.