BT81 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 293 postcodes across 1 sector in Derry City and Strabane.
Full fibre
0%
Gigabit
95%
Superfast
97%
Postcodes
293
BT81 covers Derry City and Strabane with 293 postcodes. A 2% below-USO tail and 0.2% wireless coverage highlight rural constraints, despite 95% gigabit reach.
Broadband speeds in BT81
Share of BT81 premises by the fastest download speed available, averaged across all 293 postcodes in the district.
BT81 demonstrates the challenge of serving dispersed rural communities. Gigabit reaches 95% of the 293 postcodes, a strong baseline. However, 2% fall below USO minimums, and another 2.5% remain below 10 Mbps, indicating infrastructure gaps in remote locations. Wireless connectivity is sparse at 0.2% of postcodes. Speed split: 95% gigabit, 1.6% superfast 30 to 300 Mbps, 2.5% below 10 Mbps, 2% below USO. Investment has succeeded for most residents, but isolation still affects a meaningful minority. Villages and small settlements enjoy gigabit or solid superfast; farmland and very scattered properties face persistent underservice or wireless alternatives.
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
<1%
Premises that can use a fixed wireless access service
Broadband by sector
BT81 splits into 1 postcode sector. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| BT81 7 | 293 | 97% | 0% | 95% |
All BT81 7 postcodes (293)
Best deals
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Living in Derry City and Strabane
BT81 spans rural and semi-rural Derry City and Strabane. The 293 postcodes include dispersed farmland, villages, and market towns where network infrastructure remains patchy.
Remote worker score
54/100
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
BT81 broadband FAQs
Why does BT81 have postcodes below USO?
Rural geography makes fibre uneconomic in some locations. Six postcodes (2%) remain too dispersed for cost-effective cabling.
Is wireless available for slow postcodes?
Yes, but only 0.2% of BT81 currently uses it. Residents in remote areas may qualify for emerging wireless or satellite schemes.
What speeds define the 2.5% below-10Mbps segment?
These postcodes likely sit on legacy copper or isolated rural infrastructure. Wireless check could help if available in those areas.
Is gigabit available across most of BT81?
Yes. 95% of postcodes are gigabit-capable, making BT81 reasonably well-served despite rural character.
Neighbouring districts
Check your exact postcode
Every postcode in BT81 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