BELFAST SOUTH AND MID DOWN Broadband Coverage
Westminster parliamentary constituency · Northern Ireland · 60,591 premises
BELFAST SOUTH AND MID DOWN is comfortably above the UK's 81% full-fibre benchmark, at 90.7%.
The verdict
BELFAST SOUTH AND MID DOWN ranks #157 of 650 constituencies for full-fibre (90.7%) and #262 for the fixed/FWA availability gap (0.0%) - those two corpus maps diverge.
Broadband Coverage in BELFAST SOUTH AND MID DOWN
60,591 premises make up the BELFAST SOUTH AND MID DOWN constituency in Northern Ireland. Full-fibre reaches 90.7% of them, above-average for a UK seat, while gigabit-capable coverage (which also counts upgraded DOCSIS 3.1 cable) stands at 95.3%. Superfast (30 Mbit/s or more) covers 98.5% and ultrafast (300 Mbit/s or more) reaches 95.3%.
On connectivity for all households, BELFAST SOUTH AND MID DOWN has near-universal fixed and fixed-wireless broadband availability: fewer than 1% of premises cannot receive a decent service. Full-fibre sits in the top third of UK seats at 90.7%, and Ofcom's Spring 2026 measure shows every measured premise can receive decent fixed or fixed-wireless broadband.
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 Northern Ireland with comparable full-fibre coverage are listed below.
Coverage Metrics
Where BELFAST SOUTH AND MID DOWN Sits Nationally
BELFAST SOUTH AND MID DOWN vs every UK parliamentary constituency
Full-fibre coverage distribution across all 650 UK constituencies. BELFAST SOUTH AND MID DOWN's 90.7% places it in the highlighted band.
90.7% Top 24% higher than 76% 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 BELFAST SOUTH AND MID DOWN (top-third full-fibre at 90.7%), both outside Northern Ireland so the neighborhoods are not the same-nation Nearby block above.
Similar full-fibre
Nearest other-nation constituencies by full-fibre coverage (90.7% here; floor ≥5,000 premises).
Similar gigabit
Nearest other-nation constituencies by gigabit-capable coverage (95.3% here).
Frequently Asked Questions
How does BELFAST SOUTH AND MID DOWN's full-fibre coverage compare with other UK constituencies?
Ofcom Connected Nations Spring 2026 puts full-fibre (FTTP) at 90.7% of premises in BELFAST SOUTH AND MID DOWN, ranked #157 of 650 UK constituencies (higher than 491 of them). The UK average is 81%.
Is the fixed/FWA availability gap closed in BELFAST SOUTH AND MID DOWN?
Ofcom's Spring 2026 measure shows every measured premise in BELFAST SOUTH AND MID DOWN can receive decent broadband from a fixed line or fixed-wireless network.
What 90.7% full-fibre means for BELFAST SOUTH AND MID DOWN
BELFAST SOUTH AND MID DOWN is 9.7pp 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 BELFAST SOUTH AND MID DOWN ranks against every other UK constituency, not just the national average. Full UK rankings
- Understand what full-fibre actually gets you before switching. Switching to full-fibre
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.