CB11 postcode
Broadband in CB11 4EB
Saffron Walden, Uttlesford
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 21 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
HD uses ~5 Mbps per person. 4K uses ~25 Mbps.
Each person on calls needs around 10 Mbps.
Competitive gaming needs low latency as much as raw speed.
Cameras, thermostats, speakers and similar devices each use a few Mbps.
Gigabit broadband (Gigabit (1Gbps+)) is available at CB11 4EB. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at CB11 4EB.
The test downloads a 2 MB file from our server and measures how long it takes.
This test measures download speed only. Results vary depending on network conditions.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 43% | 43% | 10-20 Mbps |
| Superfast (30+ Mbps) | 43% | 43% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 43% | 43% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 43% | 43% | 900-1,000 Mbps |
Speed Distribution at CB11 4EB
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Flood risk
🟡
Flood risk: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Uttlesford
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CB11 4EB
Saffron Walden is home to CB11 4EB. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.
Superfast broadband (30 Mbps+) coverage at CB11 4EB stands at 42.9%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 42.9% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 42.9% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for CB11 4EB gives a better picture of what to expect. 57.1% of connections fall in the 10 to 30 Mbps range. 42.9% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls. 42.9% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
Here is how the broadband at CB11 4EB maps against common household needs. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
FWA broadband has not reached CB11 4EB yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CB11 4EB fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 42.9% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CB11 4EB is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.
Outdoor 4G mobile signal at CB11 4EB is available across 95% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for CB11 4EB: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CB11 4EB is Uttlesford. The immediate area is Saffron Walden, a distinct community within the wider district. The CB11 postcode area contains 514 postcodes on this site. Superfast broadband across CB11 ranges from 0% to 100%. CB11 4EB is below the area average of 93%.
How does CB11 4EB compare to its neighbours? CB10 1DZ (0.02 miles, saffron-walden) has 85.7% superfast coverage and 85.7% gigabit. CB10 1AP (0.03 miles, saffron-walden) has 100% superfast coverage and 100% gigabit. CB10 1EA (0.03 miles, saffron-walden) has 90% superfast coverage and 90% gigabit. CB10 1AW (0.04 miles, saffron-walden) has 96.2% superfast coverage and 96.2% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Not every property at CB11 4EB gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
Saffron Walden offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Looking at the overall picture for CB11 4EB, a few things are worth highlighting. Uttlesford as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. Saffron Walden has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.
Data sources include Ofcom (broadband and mobile), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.
Before making a decision about CB11 4EB, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
This covers the key data for CB11 4EB. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Saffron Walden hub page. Bookmark this page and check back as new data arrives.
More local data is being added for this postcode
This page already has postcode-specific content, and more data-backed sections will appear as the remaining local datasets finish processing.
Frequently asked questions about CB11 4EB
What are the broadband speeds available at CB11 4EB?
Superfast broadband (30 Mbps+) is available to 42.9% of premises at CB11 4EB. Ultrafast coverage is at 42.9%.
What is the average house price near CB11 4EB?
No recent house price data is available for CB11 4EB.
What is the flood risk for properties at CB11 4EB?
CB11 4EB has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CB11 4EB area?
School data for CB11 4EB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CB11 4EB compare to other areas?
Crime data for this area is being updated.
How suitable is CB11 4EB for remote working?
CB11 4EB scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CB11 4EB?
4G outdoor coverage at CB11 4EB is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CB11 4EB?
EPC data for CB11 4EB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CB11 4EB?
Council tax band information for CB11 4EB is being updated.
How accessible are GP surgeries near CB11 4EB?
GP surgery data for CB11 4EB is being updated. Check NHS.uk for the latest.
What transport links are available near CB11 4EB?
Transport data for CB11 4EB is being updated.
Is CB11 4EB a suitable area for families?
CB11 4EB scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CB11 4EB?
Air quality data for CB11 4EB is being updated.
How far is the nearest EV charging point from CB11 4EB?
EV charging data for CB11 4EB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CB11 4EB?
Ultrafast broadband (100 Mbps+) reaches 42.9% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CB11 4EBRemote Worker
35Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Saffron Walden
District
Uttlesford
Region
Constituency
LSOA
E01022076
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