NP23 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 851 postcodes across 5 sectors in Blaenau Gwent.
Gigabit
71%
Superfast
98%
Postcodes
851
NP23 in Blaenau Gwent shows moderate gigabit reach at 71.3%, with a notable 25.3% of postcodes stuck at 30-300 Mbps.
Broadband speeds in NP23
Share of NP23 premises by the fastest download speed available, averaged across all 851 postcodes in the district.
Gigabit availability drops to 71.3% across 851 postcodes, marking a notable gap from the stronger NP22 district. Superfast coverage reaches 98%, though ultrafast capacity remains limited within the area. The speed profile reveals clear splits: 72.7% of postcodes hit 300+ Mbps through gigabit infrastructure, whilst 25.3% sit in the 30-300 Mbps band on older networks. Only 0.8% fall below 10 Mbps. This distribution reflects Blaenau Gwent's mixed infrastructure transition: newer gigabit-capable areas sit alongside dated cable and ADSL networks not yet upgraded. No Ookla speed data is available. Postcodes in NP23 experience either modern speeds or functional but limited mid-tier connectivity.
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
<1%
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
NP23 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 |
|---|---|---|---|---|
| NP23 4 | 271 | 98% | TBC | 62% |
| NP23 5 | 267 | 99% | TBC | 90% |
| NP23 6 | 236 | 99% | TBC | 78% |
| NP23 7 | 55 | 98% | TBC | 0% |
| NP23 8 | 22 | 80% | TBC | 70% |
All NP23 4 postcodes (271)
All NP23 5 postcodes (267)
All NP23 6 postcodes (236)
All NP23 7 postcodes (55)
Best deals
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Living in Blaenau Gwent
House prices are not reported. NP23 spans Blaenau Gwent's mixed infrastructure zones: some areas are modern gigabit-capable, others are dated mid-speed networks.
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
NP23 broadband FAQs
Why is the 30-300 Mbps band so large in NP23?
25.3% of postcodes sit at that speed. It suggests older cable or ADSL networks that haven't been upgraded to gigabit-capable infrastructure.
Is gigabit available in Blaenau Gwent's NP23?
71.3% of postcodes can access gigabit. The remainder have ultrafast or mid-tier services.
Will 30-300 Mbps be enough for my needs?
It's adequate for streaming, everyday browsing, and light home work. For heavy uploads or latency-sensitive tasks, gigabit postcodes are preferable.
Are any postcodes too slow for broadband?
Only 0.8% fall below 10 Mbps. Almost all of NP23 meets basic modern standards.
Neighbouring districts
Check your exact postcode
Every postcode in NP23 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