South West Hertfordshire Broadband Coverage
Westminster parliamentary constituency · England · 42,994 premises
Full-fibre in South West Hertfordshire runs ahead of the national curve, 85.3% against a 81% UK average.
The verdict
South West Hertfordshire ranks #268 of 650 constituencies for full-fibre (85.3%) and #579 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge.
Broadband Coverage in South West Hertfordshire
With 42,994 premises, South West Hertfordshire sits in England. Full-fibre (FTTP) is available to 85.3% of them, above-average nationally, and the gigabit-capable figure climbs to 91.5% once DOCSIS 3.1 cable upgrades are included. 98.4% get superfast (30 Mbit/s or more) service, and 92.6% get ultrafast (300 Mbit/s or more).
On connectivity for all households, South West Hertfordshire has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 85.3% is 4.3pp above the 81% UK average; gigabit-capable coverage is 91.5% and ultrafast 92.6%.
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 South West Hertfordshire Sits Nationally
South West Hertfordshire vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. South West Hertfordshire's 85.3% places it in the highlighted band.
85.3% Top 41% higher than 59% 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 South West Hertfordshire (mid-pack full-fibre at 85.3%), 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 (85.3% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (91.5% here).
What 85.3% full-fibre means for South West Hertfordshire
South West Hertfordshire is 4.3pp 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 South West Hertfordshire 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 South West Hertfordshire sit in the national full-fibre distribution?
South West Hertfordshire has 85.3% full-fibre coverage, 4.3pp above the 81% UK average (rank #268 of 650), higher than 382 of 650 UK constituencies. Gigabit-capable coverage is 91.5%.
What share of South West Hertfordshire premises still lack decent fixed/FWA broadband?
Ofcom's Spring 2026 measure shows all measured premises in South West Hertfordshire can receive decent fixed or fixed-wireless broadband. Ultrafast (≥300 Mbit/s) coverage is 92.6%.
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.