CM77 postcode

Broadband in CM77 7LJ

Great Notley, Braintree

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 16 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 16 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 CM77 7LJ. 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 CM77 7LJ.

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)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)100%
100%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit100%
100%
900-1,000 Mbps

Speed Distribution at CM77 7LJ

100%
300+ Mbps (100%)

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: Medium

This postcode is in undefined — medium risk of flooding from rivers and sea.

Flood Zone

Risk Level

Medium

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 Braintree

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 CM77 7LJ

Great Notley is home to CM77 7LJ. 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 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to.

Looking at the full speed profile for CM77 7LJ gives a better picture of what to expect. 100% 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 CM77 7LJ 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.

FWA broadband has not reached CM77 7LJ yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at CM77 7LJ 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 100% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CM77 7LJ is rated Medium. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.

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 CM77 7LJ 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 CM77 7LJ: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CM77 7LJ is Braintree. The immediate area is Great Notley, a distinct community within the wider district. The CM77 postcode area contains 451 postcodes on this site. Superfast broadband across CM77 ranges from 0% to 100%. CM77 7LJ is above the area average of 92%.

How does CM77 7LJ compare to its neighbours? CM77 7GP (0.03 miles, great-notley) has 100% superfast coverage and 100% gigabit. CM77 7WN (0.05 miles, great-notley) has 100% superfast coverage and 100% gigabit. CM77 7GG (0.06 miles, great-notley) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At CM77 7LJ, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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 Great Notley has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Pulling the data together for CM77 7LJ, here is what stands out. Connectivity at CM77 7LJ is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Braintree 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. Great Notley 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.

Numbers tell part of the story for CM77 7LJ. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

CM77 7LJ in Great Notley: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.

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 CM77 7LJ

What are the broadband speeds available at CM77 7LJ?

Superfast broadband (30 Mbps+) is available to 100% of premises at CM77 7LJ. Ultrafast coverage is at 100%.

What is the average house price near CM77 7LJ?

No recent house price data is available for CM77 7LJ.

What is the flood risk for properties at CM77 7LJ?

CM77 7LJ has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CM77 7LJ area?

School data for CM77 7LJ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CM77 7LJ compare to other areas?

Crime data for this area is being updated.

How suitable is CM77 7LJ for remote working?

CM77 7LJ scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CM77 7LJ?

4G outdoor coverage at CM77 7LJ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CM77 7LJ?

EPC data for CM77 7LJ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CM77 7LJ?

Council tax band information for CM77 7LJ is being updated.

How accessible are GP surgeries near CM77 7LJ?

GP surgery data for CM77 7LJ is being updated. Check NHS.uk for the latest.

What transport links are available near CM77 7LJ?

Transport data for CM77 7LJ is being updated.

Is CM77 7LJ a suitable area for families?

CM77 7LJ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CM77 7LJ?

Air quality data for CM77 7LJ is being updated.

How far is the nearest EV charging point from CM77 7LJ?

EV charging data for CM77 7LJ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CM77 7LJ?

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

Area suitability scores

CM77 7LJ

Remote Worker

55

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

Great Notley

District

Braintree

Region

Constituency

LSOA

E01021383

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