CB11 postcode

Broadband in CB11 3RZ

Widdington, Uttlesford

Standard broadband is the main option at this postcode.

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Free, independent comparison · Ofcom verified data · Updated 29 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Data pending

Reviewed by Rex BlackwellData 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

Your household needs approximately 14 Mbps. We don't have speed data for CB11 3RZ yet.

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Speed Test

Check your current download speed and see how it compares to what is available at CB11 3RZ.

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)0%
0%
10-20 Mbps
Superfast (30+ Mbps)0%
0%
30-80 Mbps
Ultrafast (100+ Mbps)0%
0%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit0%
0%
900-1,000 Mbps

Speed Distribution at CB11 3RZ

10–30 Mbps (80%)

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 3RZ

Looking at CB11 3RZ in Widdington? 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.

0% of premises at CB11 3RZ can access superfast broadband. The UK average is 93%. There is room for improvement here.

Looking at the full speed profile for CB11 3RZ gives a better picture of what to expect. 80% of connections fall in the 10 to 30 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.

What do the broadband speeds at CB11 3RZ mean in practice? With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup.

Fixed Wireless Access is not currently available at CB11 3RZ. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At CB11 3RZ, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 0% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CB11 3RZ 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.

4G outdoor coverage at CB11 3RZ reaches 95%. 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 3RZ: 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 3RZ is Uttlesford. The immediate area is Widdington, 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%.

Not every property at CB11 3RZ 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.

Every part of Widdington has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Pulling the data together for CB11 3RZ, here is what stands out. Broadband is the main concern at CB11 3RZ. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. 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. Widdington 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.

Data is a starting point for Widdington. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.

That is the full data picture for CB11 3RZ in Widdington. 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 3RZ

What are the broadband speeds available at CB11 3RZ?

Broadband is available at CB11 3RZ. Contact local providers for specific speed information.

What is the average house price near CB11 3RZ?

No recent house price data is available for CB11 3RZ.

What is the flood risk for properties at CB11 3RZ?

CB11 3RZ has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CB11 3RZ area?

School data for CB11 3RZ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CB11 3RZ compare to other areas?

Crime data for this area is being updated.

How suitable is CB11 3RZ for remote working?

CB11 3RZ scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CB11 3RZ?

4G outdoor coverage at CB11 3RZ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CB11 3RZ?

EPC data for CB11 3RZ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CB11 3RZ?

Council tax band information for CB11 3RZ is being updated.

How accessible are GP surgeries near CB11 3RZ?

GP surgery data for CB11 3RZ is being updated. Check NHS.uk for the latest.

What transport links are available near CB11 3RZ?

Transport data for CB11 3RZ is being updated.

Is CB11 3RZ a suitable area for families?

CB11 3RZ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CB11 3RZ?

Air quality data for CB11 3RZ is being updated.

How far is the nearest EV charging point from CB11 3RZ?

EV charging data for CB11 3RZ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CB11 3RZ?

Full fibre availability at CB11 3RZ is being updated. Check Openreach for the latest rollout status.

Area suitability scores

CB11 3RZ

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

Widdington

District

Uttlesford

Region

Constituency

LSOA

E01022072

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