CM14 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 583 postcodes across 3 sectors in Brentwood.
Full fibre
0%
Gigabit
78%
Superfast
98%
Postcodes
583
CM14 covers 583 postcodes in Brentwood with 77.7% gigabit and 20.3% in the mid-speed band.
Broadband speeds in CM14
Share of CM14 premises by the fastest download speed available, averaged across all 583 postcodes in the district.
Gigabit availability is 77.7%, notably lower than metropolitan peers. Speed distribution is wide: 77.7% reach 300 Mbps or faster, 20.3% occupy 30 to 300 Mbps (the largest mid-speed share among this entire batch of 20), and 0.4% stay below 10 Mbps. Wireless at 0.4% is negligible. No below-USO premises. The high mid-speed contingent of 20.3% reflects uneven cable and fibre rollout across the district. CM14 is a mix of suburban Brentwood and surrounding districts with older fibre or copper still in service. The 20.3% mid-speed tier is substantial but not alarming: most households function well on superfast speeds. However, property choosers wanting gigabit should prioritise addresses in the 77.7% gigabit postcodes or negotiate infrastructure investment with a seller.
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
<1%
Premises that can use a fixed wireless access service
Broadband by sector
CM14 splits into 3 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 |
|---|---|---|---|---|
| CM14 4 | 307 | 99% | 0% | 84% |
| CM14 5 | 259 | 96% | 0% | 75% |
| CM14 9 | 17 | 100% | 0% | 6% |
All CM14 4 postcodes (307)
All CM14 5 postcodes (259)
Best deals
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Living in Brentwood
Infrastructure across CM14 varies considerably. Homes in older residential zones may spend years on superfast while newer suburbs enjoy gigabit. Most households perform adequately on superfast speeds, yet property seekers requiring gigabit should prioritise verified gigabit postcodes or plan infrastructure upgrades with vendors.
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
CM14 broadband FAQs
Why is gigabit availability lower in Brentwood?
Cable deployment has not yet fully replaced older fibre and copper infrastructure. Newer suburbs and town centre areas often have gigabit; older residential zones remain on superfast.
Is 30 to 300 Mbps sufficient for most families?
Yes. It handles video conferencing, streaming, and remote work well. Simultaneous heavy use like 4K download plus video call may feel slow.
Will speeds improve soon?
Check Brentwood Council for any announced fibre or cable expansion plans. Providers typically publish long-term rollout roadmaps.
Should I choose a gigabit postcode?
If bandwidth-heavy work is planned or multiple users are typical, yes. Otherwise, superfast is a safe choice.
Neighbouring districts
Check your exact postcode
Every postcode in CM14 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