SN8 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 904 postcodes across 4 sectors in Wiltshire.
Full fibre
0%
Gigabit
32%
Superfast
83%
Postcodes
904
SN8 is a 904-postcode Swindon area where gigabit remains elusive for most, with over half relying on mid-range speeds.
Broadband speeds in SN8
Share of SN8 premises by the fastest download speed available, averaged across all 904 postcodes in the district.
Gigabit coverage sits at just 32%, the lowest in this Swindon cluster and a stark contrast to nearby SN3 or SN5. Instead, 51% of postcodes cluster in the 30-300 Mbps range, meaning most residents top out at standard fibre rather than giga-capable infrastructure. Superfast is nearly universal at 83%, but the jump from there to gigabit is steep. Below-10-Mbps postcodes account for 6.4%, the highest proportion in this batch of Swindon and Southampton codes, indicating rural areas or places lacking current infrastructure investment. Nearly 2% fall below the USO minimum, suggesting isolated postcodes lag the legal standard. The large middle tier shows SN8 received earlier fibre investment but has not been included in newer gigabit rollouts. Those in the 32% with gigabit enjoy excellent speeds; most others are capped at mid-range performance.
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
2%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
0%
Premises that can use a fixed wireless access service
Broadband by sector
SN8 splits into 4 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 |
|---|---|---|---|---|
| SN8 1 | 228 | 92% | 0% | 57% |
| SN8 2 | 232 | 79% | 0% | 19% |
| SN8 3 | 277 | 79% | 0% | 16% |
| SN8 4 | 167 | 83% | 0% | 44% |
All SN8 1 postcodes (228)
All SN8 2 postcodes (232)
All SN8 3 postcodes (277)
All SN8 4 postcodes (167)
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Living in Wiltshire
SN8 is Swindon's connectivity laggard. Most households here function perfectly well on mid-tier speeds, but the area lacks the gigabit density of zones like SN3 or SN5. Those considering a move to SN8 should set realistic expectations about infrastructure age.
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
SN8 broadband FAQs
Why is SN8 so much slower than SN3?
Infrastructure rollout has been uneven. SN3 received cable and fibre upgrades much earlier and more completely than SN8.
Can I stream 4K video in SN8?
Half of SN8 can, on 300+ Mbps gigabit. The other 51% on 30-300 Mbps will struggle with 4K streaming during concurrent household use.
Should I ask about broadband speeds before renting in SN8?
Yes. SN8's range is wide enough that your exact address matters more than the postcode code alone.
What if I'm below 10 Mbps in SN8?
You'll want to explore alternative provider options. ISPs may offer other solutions, but you should confirm before signing a tenancy.
Neighbouring districts
Check your exact postcode
Every postcode in SN8 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