CM4 postcode

Broadband in CM4 0LQ

High Ongar, Epping Forest

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 28 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 28 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 CM4 0LQ. 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 CM4 0LQ.

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)80%
80%
10-20 Mbps
Superfast (30+ Mbps)80%
80%
30-80 Mbps
Ultrafast (100+ Mbps)80%
80%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit80%
80%
900-1,000 Mbps

Speed Distribution at CM4 0LQ

10–30 Mbps (20%)
300+ 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 Epping Forest

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 CM4 0LQ

High Ongar is home to CM4 0LQ. 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 coverage here stands at 80%. Nationally, 93% of UK premises have access. Most properties here can get a decent connection. Ultrafast broadband (100 Mbps+) reaches 80% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 80% of premises. Most homes can access gigabit speeds if they choose to.

Looking at the full speed profile for CM4 0LQ gives a better picture of what to expect. 20% of connections fall in the 10 to 30 Mbps range. 80% 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.

What do the broadband speeds at CM4 0LQ mean in practice? 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 CM4 0LQ. 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 CM4 0LQ, 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 100% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CM4 0LQ 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 CM4 0LQ 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 CM4 0LQ: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

CM4 0LQ falls within the Epping Forest local authority area. The immediate area is High Ongar, a distinct community within the wider district. The CM4 postcode area contains 417 postcodes on this site. Superfast broadband across CM4 ranges from 0% to 100%. CM4 0LQ is below the area average of 91%.

When choosing a broadband provider at CM4 0LQ, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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 High Ongar has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Looking at the overall picture for CM4 0LQ, a few things are worth highlighting. Epping Forest 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. High Ongar 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 High Ongar. 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 CM4 0LQ in High Ongar. 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 CM4 0LQ

What are the broadband speeds available at CM4 0LQ?

Superfast broadband (30 Mbps+) is available to 80% of premises at CM4 0LQ. Ultrafast coverage is at 80%.

What is the average house price near CM4 0LQ?

No recent house price data is available for CM4 0LQ.

What is the flood risk for properties at CM4 0LQ?

CM4 0LQ has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CM4 0LQ area?

School data for CM4 0LQ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CM4 0LQ compare to other areas?

Crime data for this area is being updated.

How suitable is CM4 0LQ for remote working?

CM4 0LQ scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CM4 0LQ?

4G outdoor coverage at CM4 0LQ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CM4 0LQ?

EPC data for CM4 0LQ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CM4 0LQ?

Council tax band information for CM4 0LQ is being updated.

How accessible are GP surgeries near CM4 0LQ?

GP surgery data for CM4 0LQ is being updated. Check NHS.uk for the latest.

What transport links are available near CM4 0LQ?

Transport data for CM4 0LQ is being updated.

Is CM4 0LQ a suitable area for families?

CM4 0LQ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CM4 0LQ?

Air quality data for CM4 0LQ is being updated.

How far is the nearest EV charging point from CM4 0LQ?

EV charging data for CM4 0LQ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CM4 0LQ?

Ultrafast broadband (100 Mbps+) reaches 80% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CM4 0LQ

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

High Ongar

District

Epping Forest

Region

Constituency

LSOA

E01021769

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