CM14 postcode
Broadband in CM14 5LL
Brentwood, Brentwood
Superfast broadband covers 25% of premises here.
Free, independent comparison · Ofcom verified data · Updated 4 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
~30 Mbps
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.
The best available speed at CM14 5LL is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at CM14 5LL.
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) | 25% | 25% | 10-20 Mbps |
| Superfast (30+ Mbps) | 25% | 25% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at CM14 5LL
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: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
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 Brentwood
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CM14 5LL
Brentwood is home to CM14 5LL. 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 CM14 5LL stands at 25%. That is below the UK average of 93%.
The speed distribution at CM14 5LL tells a more detailed story than headline figures alone. 75% of connections fall in the 10 to 30 Mbps range. 25% of connections fall in the 30 to 300 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 CM14 5LL mean in practice? Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours. 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.
FWA broadband has not reached CM14 5LL yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CM14 5LL 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 CM14 5LL 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.
Outdoor 4G mobile signal at CM14 5LL 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 CM14 5LL: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CM14 5LL falls within the Brentwood local authority area. The CM14 postcode area contains 583 postcodes on this site. Superfast broadband across CM14 ranges from 0% to 100%. CM14 5LL is below the area average of 98%.
How does CM14 5LL compare to its neighbours? CM14 5US (0.06 miles, brentwood-unparished-area) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Not every property at CM14 5LL 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.
Brentwood 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 CM14 5LL, a few things are worth highlighting. Brentwood 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. Brentwood 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 CM14 5LL. 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.
That is the full data picture for CM14 5LL in Brentwood. 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 CM14 5LL
What are the broadband speeds available at CM14 5LL?
Superfast broadband (30 Mbps+) is available to 25% of premises at CM14 5LL.
What is the average house price near CM14 5LL?
No recent house price data is available for CM14 5LL.
What is the flood risk for properties at CM14 5LL?
CM14 5LL has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM14 5LL area?
School data for CM14 5LL is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM14 5LL compare to other areas?
Crime data for this area is being updated.
How suitable is CM14 5LL for remote working?
CM14 5LL scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM14 5LL?
4G outdoor coverage at CM14 5LL is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM14 5LL?
EPC data for CM14 5LL is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM14 5LL?
Council tax band information for CM14 5LL is being updated.
How accessible are GP surgeries near CM14 5LL?
GP surgery data for CM14 5LL is being updated. Check NHS.uk for the latest.
What transport links are available near CM14 5LL?
Transport data for CM14 5LL is being updated.
Is CM14 5LL a suitable area for families?
CM14 5LL scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM14 5LL?
Air quality data for CM14 5LL is being updated.
How far is the nearest EV charging point from CM14 5LL?
EV charging data for CM14 5LL is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM14 5LL?
Full fibre availability at CM14 5LL is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CM14 5LLRemote 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
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Area info
Parish
Brentwood
District
Brentwood
Region
Constituency
LSOA
E01021473
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