BT23 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 1,409 postcodes across 5 sectors in Ards and North Down.
Full fibre
0%
Gigabit
94%
Superfast
99%
Postcodes
1,409
BT23 is the largest district covered here, with 1,409 postcodes across Ards and North Down. Superfast connections reach 98.8%, and full fibre infrastructure is absent.
Broadband speeds in BT23
Share of BT23 premises by the fastest download speed available, averaged across all 1,409 postcodes in the district.
Cable gigabit, not fibre, powers this district. 93.5% of postcodes are gigabit-capable, while fibre (fttp) presence is zero, an unusual profile that reflects a fully cable-served area rather than mixed-technology rollout. Superfast extends to 98.8%, leaving only a small fraction at lower speeds: 0.2% postcodes below 10 Mbps, and 5.2% in the superfast band. The speed distribution is sharp, with 93.5% gigabit-tier, 5.2% superfast, and 0.2% below 10 Mbps, suggesting almost no middle ground. This cable-dominant model provides stability and consistency across the 1,409 postcodes. Residents can rely on cable infrastructure as the backbone, with speeds among the highest in the region.
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
0%
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
BT23 splits into 5 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 |
|---|---|---|---|---|
| BT23 4 | 330 | 98% | 0% | 92% |
| BT23 5 | 356 | 99% | 0% | 95% |
| BT23 6 | 268 | 98% | 0% | 91% |
| BT23 7 | 222 | 99% | 0% | 94% |
| BT23 8 | 233 | 99% | 0% | 97% |
All BT23 4 postcodes (330)
All BT23 5 postcodes (356)
All BT23 6 postcodes (268)
All BT23 7 postcodes (222)
All BT23 8 postcodes (233)
Best deals
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Living in Ards and North Down
For a district this size, the absence of fibre and presence of cable gigabit indicates mature cable infrastructure, likely established before fibre became the standard assumption. Households in BT23 enjoy reliable high-speed options without the postcode-level lottery found in mixed-technology areas.
Remote worker score
55/100
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
BT23 broadband FAQs
Why does BT23 have gigabit but no full-fibre coverage?
Cable networks deliver gigabit speeds independently of fibre. This district appears fully served by cable infrastructure, which can achieve gigabit without fibre lines.
Should I assume gigabit is universally available?
Not universally 93.5% is strong but not 100%. Check your specific address with providers before committing to a move.
Are there any postcodes with poor connectivity?
Just 0.2% fall below 10 Mbps across 1,409 postcodes roughly 3 postcodes. The vast majority have either cable gigabit or superfast options.
What happens if my address isn't in the gigabit 93.5%?
You would likely fall into superfast (5.2%) or a very small below-10 Mbps tail. Coverage is predictable; request a specific check.
Neighbouring districts
Check your exact postcode
Every postcode in BT23 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