SA17 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 424 postcodes across 2 sectors in Carmarthenshire.
Gigabit
43%
Superfast
80%
Postcodes
424
SA17 in Carmarthenshire is severely underserved: 424 postcodes with just 43% gigabit capacity and 9.5% below the universal service obligation the lowest performance in this batch.
Broadband speeds in SA17
Share of SA17 premises by the fastest download speed available, averaged across all 424 postcodes in the district.
Superfast reaches only 80.4% of postcodes, already a red flag. Gigabit plummets to 43%, the weakest rate across this entire district set. Real-world speeds reflect severe constraints: 43% achieve 300 Mbps or faster, 37.4% sit between 30 and 300 Mbps, and a material 9.5% fall below 10 Mbps. Fixed wireless provides minimal assistance at 4.2%. SA17 represents the tail of UK infrastructure, far below the 2026 gigabit average and substantially worse than any other Carmarthenshire postcode examined here. The combination of low gigabit and high below-USO proportions signals genuine rural deprivation and should trigger intervention schemes.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
3%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
4%
Premises that can use a fixed wireless access service
Broadband by sector
SA17 splits into 2 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| SA17 4 | 200 | 89% | TBC | 37% |
| SA17 5 | 224 | 73% | TBC | 49% |
All SA17 4 postcodes (200)
All SA17 5 postcodes (224)
Best deals
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Living in Carmarthenshire
Over a third of SA17 postcodes face mid-speed constraints, and nearly 1 in 10 sit in broadband poverty. This is rural Wales at its most underserved, likely due to sparse population density and terrain. Government intervention or specialist providers are essential here.
Remote worker score
53/100
Connectivity and amenities for home working
Family score
50/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
SA17 broadband FAQs
Why is SA17 so much worse than nearby Carmarthenshire postcodes?
SA17 is likely the most rural area in the batch sparse, remote, and deprioritised by mainstream providers. Terrain and low density drive minimal infrastructure investment.
What's the reality for a household in SA17?
Nearly 4 in 10 face mid-speed constraint (30 to 300 Mbps); 1 in 10 sit in broadband poverty below 10 Mbps. Remote working or streaming is unreliable without upgrading.
Are there any intervention schemes available for SA17?
Yes. If you're below 10 Mbps, you're nearly certain to qualify for universal service obligation grants or targeted government broadband funds. Apply to your council.
Could fixed wireless or satellite be an alternative?
Fixed wireless covers 4.2% minimal. But newer satellite services (e.g. Starlink) may offer better performance than legacy copper in SA17's isolated pockets.
Neighbouring districts
Check your exact postcode
Every postcode in SA17 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources