BRENTWOOD AND ONGAR Broadband Coverage
Westminster parliamentary constituency · England · 46,840 premises
BRENTWOOD AND ONGAR's full-fibre coverage, 84.0%, beats the UK national average of 81%.
The verdict
BRENTWOOD AND ONGAR ranks #297 of 650 constituencies for full-fibre (84.0%) and #141 for the fixed/FWA availability gap (0.1%) - those two corpus maps diverge.
Broadband Coverage in BRENTWOOD AND ONGAR
England constituency BRENTWOOD AND ONGAR counts 46,840 premises within its boundary. Full-fibre (FTTP) is available to 84.0% of them, above-average nationally, and the gigabit-capable figure climbs to 85.5% once DOCSIS 3.1 cable upgrades are included. 96.7% get superfast (30 Mbit/s or more) service, and 85.4% get ultrafast (300 Mbit/s or more).
On connectivity for all households, BRENTWOOD AND ONGAR has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 84.0% is 3.0pp above the 81% UK average; gigabit-capable coverage is 85.5% and ultrafast 85.4%.
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 BRENTWOOD AND ONGAR Sits Nationally
BRENTWOOD AND ONGAR vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. BRENTWOOD AND ONGAR's 84.0% places it in the highlighted band.
84% Top 46% higher than 54% 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 BRENTWOOD AND ONGAR (mid-pack full-fibre at 84.0%), 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 (84.0% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (85.5% here).
Frequently Asked Questions
Where does BRENTWOOD AND ONGAR sit in the national full-fibre distribution?
BRENTWOOD AND ONGAR has 84.0% full-fibre coverage, 3.0pp above the 81% UK average (rank #297 of 650), higher than 352 of 650 UK constituencies. Gigabit-capable coverage is 85.5%.
What share of BRENTWOOD AND ONGAR premises still lack decent fixed/FWA broadband?
0.1% of premises in BRENTWOOD AND ONGAR cannot receive decent broadband from a fixed line or fixed-wireless network on Ofcom's Spring 2026 measure. Ultrafast (≥300 Mbit/s) coverage is 85.4%.
What 84.0% full-fibre means for BRENTWOOD AND ONGAR
BRENTWOOD AND ONGAR is 3.0pp 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 BRENTWOOD AND ONGAR 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.
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.