DH3 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 745 postcodes across 4 sectors in County Durham.
Full fibre
0%
Gigabit
80%
Superfast
95%
Postcodes
745
DH3 in County Durham spans 745 postcodes with strong gigabit availability. About four in five postcodes support full gigabit via cable networks.
Broadband speeds in DH3
Share of DH3 premises by the fastest download speed available, averaged across all 745 postcodes in the district.
Gigabit coverage reaches 79.9% of DH3, reflecting solid cable infrastructure investment across the semi-urban district. Ultrafast also reaches 79.9%, confirming cable as the gigabit source. Superfast extends to 95.2% of postcodes, leaving just 4.8% without 30 Mbps access. The below-10-Mbps tail is small: 1.5%, or roughly 11 postcodes. Only 0.6% fall below the universal service obligation floor. Superfast-only postcodes comprise 15.4% of DH3, serving areas where gigabit infrastructure deployment proved economically impractical. DH3 demonstrates balanced infrastructure: gigabit dominates urban nodes whilst superfast serves peripheral postcodes dependably.
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
DH3 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 |
|---|---|---|---|---|
| DH3 1 | 198 | 98% | 0% | 83% |
| DH3 2 | 163 | 98% | 0% | 66% |
| DH3 3 | 210 | 99% | 0% | 90% |
| DH3 4 | 174 | 85% | 0% | 77% |
All DH3 1 postcodes (198)
All DH3 2 postcodes (163)
All DH3 3 postcodes (210)
All DH3 4 postcodes (174)
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Living in County Durham
Superfast at 95.2% sits slightly below the UK average of 97%, typical for mixed semi-urban and rural blends. Price data for properties here is not available. Most households should plan assuming gigabit or superfast access.
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
DH3 broadband FAQs
What percentage of DH3 supports gigabit?
79.9% of postcodes reach gigabit. The remainder are superfast-capped at 30-300 Mbps.
How likely is poor connectivity in DH3?
Unlikely. Just 1.5% fall below 10 Mbps, and 0.6% miss the universal service floor.
Is DH3 suitable for remote work?
Yes. At 95.2% superfast and 79.9% gigabit, connectivity is reliable for most addresses. Verify your postcode beforehand.
Why does DH3 have this gigabit-to-superfast split?
Cable networks cluster where population density supports investment. Semi-urban DH3 benefits from strong infrastructure but still has dispersed postcodes on superfast tiers.
Neighbouring districts
Check your exact postcode
Every postcode in DH3 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