WD4 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 353 postcodes across 2 sectors in Dacorum.
Gigabit
73%
Superfast
89%
Postcodes
353
Dacorum WD4 spans 353 postcodes with the weakest ultrafast penetration of the WD cluster. Only 75.2% access gigabit speeds, leaving a fifth of premises dependent on lower tiers.
Broadband speeds in WD4
Share of WD4 premises by the fastest download speed available, averaged across all 353 postcodes in the district.
The speed gradient here is steeper than surrounding areas. 75.2% of postcodes achieve 300 Mbps or more, but 13.6% are capped at 30 to 300 Mbps, double the rate in better served codes. Below 10 Mbps affects 2.9% of postcodes. Below USO coverage is 0.5%, suggesting a handful of premises need backup solutions. Gigabit availability (73.3%) reflects Dacorum's mix of urban pockets and extensive rural parishes where network investment has lagged peers. Both cable and fibre rollout have concentrated in town centres, leaving villages and countryside fringes on older generation infrastructure from the DSL and earlier copper era.
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
WD4 splits into 2 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 |
|---|---|---|---|---|
| WD4 8 | 214 | 92% | TBC | 72% |
| WD4 9 | 139 | 85% | TBC | 75% |
All WD4 8 postcodes (214)
All WD4 9 postcodes (139)
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Living in Dacorum
Prospective residents should treat individual postcode verification as essential. Urban Dacorum (central towns) will likely see gigabit tiers; village and countryside postcodes will often be restricted to 30 to 300 Mbps or alternatives. For households relying on fast broadband, remote workers, and families streaming multiple streams, early supplier checks and contingency planning pay off.
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
WD4 broadband FAQs
What's the gigabit availability rate in Dacorum WD4?
73.3% of the 353 postcodes have gigabit access. The remaining 26.7% splits into mid speed (13.6%), below 10 Mbps (2.9%), and below USO (0.5%).
Why does WD4 have more sub 10 Mbps postcodes than WD19 or WD23?
Dacorum's rural parishes have older, lower investment networks compared to more densely populated areas. The 2.9% rate reflects this geographic spread.
Should I expect 30 to 300 Mbps as a fallback in WD4?
It's the most common non gigabit tier at 13.6%, supporting web browsing, email, and video calls, though bandwidth heavy tasks may strain the connection.
Are there postcodes where broadband verification is most critical in Dacorum?
Yes, particularly village and countryside addresses. The 2.9% sub 10 Mbps rate and 13.6% mid speed segment mean rural postcodes warrant detailed supplier checks.
Neighbouring districts
Check your exact postcode
Every postcode in WD4 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