Brentford and Isleworth Broadband Coverage
Westminster parliamentary constituency · England · 49,662 premises
Brentford and Isleworth lags the UK's 77.5% full-fibre average, currently at 55.3%.
Broadband Coverage in Brentford and Isleworth
With 49,662 premises, Brentford and Isleworth sits in England. Its full-fibre availability of 55.3% 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 98.9% 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 baseline connectivity, under 1% of premises sit below the 10 Mbit/s Universal Service Obligation threshold. Future Connected Nations releases may set a higher bar for "ultrafast" as gigabit coverage keeps expanding.
Where these figures come from
Figures are drawn from Ofcom's Connected Nations 2025 report (July 2025, r01), 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
Full Metrics
| Metric | % of Premises |
|---|---|
| Full-fibre (FTTP) | 55.3% |
| Gigabit-capable broadband | 92.5% |
| Superfast (≥30 Mbit/s) | 98.9% |
| Ultrafast (≥300 Mbit/s) | 92.5% |
| Below USO (10 Mbit/s) | 0.0% |
| Total premises | 49,662 |
Related
Source: Ofcom Connected Nations 2025, July 2025 release (r01). Published under the Open Government Licence v3.0. Figures represent premises-level coverage availability, not actual subscriptions or speeds experienced.
Every figure on PlainBroadband is rendered directly from Ofcom Connected Nations data, no number is typed in by an editor. 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.