CM6 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 907 postcodes across 4 sectors in Uttlesford.
Full fibre
0%
Gigabit
84%
Superfast
96%
Postcodes
907
CM6 covers 907 postcodes in Chelmsford. Superfast reaches 95.5%, with gigabit available to 83.6%.
Broadband speeds in CM6
Share of CM6 premises by the fastest download speed available, averaged across all 907 postcodes in the district.
This large Chelmsford code combines scale with strong cable penetration. Superfast spans 95.5% of premises. Gigabit is available to 83.6%, matching the ultrafast share and indicating full cable gigabit deployment across the zone. Speed distribution shows 83.6% at 300 Mbps and above, with 11.9% on 30-300 Mbps. Below-USO coverage is just 0.3%, one of the lowest in this batch. Only 1.9% sit below 10 Mbps. Wireless broadband at 2.5% supplements cable in fringe areas. CM6 is a large suburban hub with gigabit access available across most postcodes. Cable deployment is mature and complete.
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
3%
Premises that can use a fixed wireless access service
Broadband by sector
CM6 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 |
|---|---|---|---|---|
| CM6 1 | 373 | 96% | 0% | 82% |
| CM6 2 | 227 | 95% | 0% | 81% |
| CM6 3 | 278 | 94% | 0% | 86% |
| CM6 4 | 29 | 99% | 0% | 99% |
All CM6 1 postcodes (373)
All CM6 2 postcodes (227)
All CM6 3 postcodes (278)
Best deals
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Living in Uttlesford
Most households have access to excellent speeds. Premises reliant on older technology are scattered exceptions.
Remote worker score
54/100
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
CM6 broadband FAQs
Is CM6 well-connected for a large postcode code?
At 83.6% gigabit across 907 postcodes, it is strongly connected; most households can access gigabit-capable services.
What infrastructure serves the non-gigabit minority?
Around 12% have superfast fibre-to-the-cabinet or cable-limited speeds; wireless adds 2.5%.
Is connectivity universal?
Nearly so; only 0.3% below-USO and 1.9% below 10 Mbps indicates only scattered connectivity issues.
How does CM6 compare to other major Chelmsford postcodes?
At 83.6% gigabit, it shows strong core-zone performance in line with other well-served areas.
Neighbouring districts
Check your exact postcode
Every postcode in CM6 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