Grantham and Bourne Broadband Coverage
Westminster parliamentary constituency · England · 49,742 premises
78.5% full-fibre leaves Grantham and Bourne behind the 81% UK average.
The verdict
Grantham and Bourne ranks #410 of 650 constituencies for full-fibre (78.5%) and #96 for the fixed/FWA availability gap (0.2%) - those two corpus maps diverge.
Broadband Coverage in Grantham and Bourne
With 49,742 premises, Grantham and Bourne sits in England. Full-fibre reaches 78.5% of them, broadly in line with national trends for a UK seat, while gigabit-capable coverage (which also counts upgraded DOCSIS 3.1 cable) stands at 85.7%. Superfast (30 Mbit/s or more) covers 97.2% and ultrafast (300 Mbit/s or more) reaches 86.6%.
On connectivity for all households, Grantham and Bourne has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Mid-pack full-fibre at 78.5% is 2.5pp below the 81% UK average; gigabit-capable coverage is 85.7% and ultrafast 86.6%.
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 Grantham and Bourne Sits Nationally
Grantham and Bourne vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. Grantham and Bourne's 78.5% places it in the highlighted band.
78.5% 410th of 650 higher than 238 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 Grantham and Bourne (mid-pack full-fibre at 78.5%), 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 (78.5% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (85.7% here).
What 78.5% full-fibre means for Grantham and Bourne
Grantham and Bourne is 2.5pp 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 Grantham and Bourne 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 Grantham and Bourne sit in the national full-fibre distribution?
Grantham and Bourne has 78.5% full-fibre coverage, 2.5pp below the 81% UK average (rank #410 of 650), higher than 238 of 650 UK constituencies. Gigabit-capable coverage is 85.7%.
What share of Grantham and Bourne premises still lack decent fixed/FWA broadband?
0.2% of premises in Grantham and Bourne cannot receive decent broadband from a fixed line or fixed-wireless network on Ofcom's Spring 2026 measure. Ultrafast (≥300 Mbit/s) coverage is 86.6%.
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.