CB11 postcode

Broadband in CB11 4UU

Elmdon, Uttlesford

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 29 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Arthur TuringData last verified: 29 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at CB11 4UU. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at CB11 4UU.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)94%
94%
10-20 Mbps
Superfast (30+ Mbps)94%
94%
30-80 Mbps
Ultrafast (100+ Mbps)94%
94%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit94%
94%
900-1,000 Mbps

Speed Distribution at CB11 4UU

10–30 Mbps (6%)
300+ Mbps (94%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Uttlesford

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near CB11 4UU

Looking at CB11 4UU in Elmdon? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.

Superfast coverage here stands at 94.3%. Nationally, 93% of UK premises have access. Most properties here can get a decent connection. Ultrafast broadband (100 Mbps+) reaches 94.3% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 94.3% of premises. Most homes can access gigabit speeds if they choose to.

The speed distribution at CB11 4UU tells a more detailed story than headline figures alone. 5.7% of connections fall in the 10 to 30 Mbps range. 94.3% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.

Translating the numbers at CB11 4UU into daily use gives a clearer picture. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access is not currently available at CB11 4UU. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

0% of premises at CB11 4UU 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 94.3% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CB11 4UU 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 4UU 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.

Suitability scores for CB11 4UU: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CB11 4UU is Uttlesford. The immediate area is Elmdon, 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 4UU is close to the area average of 93%.

Not every property at CB11 4UU 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.

Life in Elmdon depends on what matters to you. Broadband, transport, and local services vary by street.

Pulling the data together for CB11 4UU, here is what stands out. Connectivity at CB11 4UU is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. 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. Elmdon 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 4UU, 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.

That is the full data picture for CB11 4UU in Elmdon. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.

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 4UU

What are the broadband speeds available at CB11 4UU?

Superfast broadband (30 Mbps+) is available to 94.3% of premises at CB11 4UU. Ultrafast coverage is at 94.3%.

What is the average house price near CB11 4UU?

No recent house price data is available for CB11 4UU.

What is the flood risk for properties at CB11 4UU?

CB11 4UU has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CB11 4UU area?

School data for CB11 4UU is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CB11 4UU compare to other areas?

Crime data for this area is being updated.

How suitable is CB11 4UU for remote working?

CB11 4UU scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CB11 4UU?

4G outdoor coverage at CB11 4UU is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CB11 4UU?

EPC data for CB11 4UU is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CB11 4UU?

Council tax band information for CB11 4UU is being updated.

How accessible are GP surgeries near CB11 4UU?

GP surgery data for CB11 4UU is being updated. Check NHS.uk for the latest.

What transport links are available near CB11 4UU?

Transport data for CB11 4UU is being updated.

Is CB11 4UU a suitable area for families?

CB11 4UU scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CB11 4UU?

Air quality data for CB11 4UU is being updated.

How far is the nearest EV charging point from CB11 4UU?

EV charging data for CB11 4UU is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CB11 4UU?

Ultrafast broadband (100 Mbps+) reaches 94.3% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CB11 4UU

Remote Worker

50

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Elmdon

District

Uttlesford

Region

Constituency

LSOA

E01022098

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