CM9 postcode
Broadband in CM9 4SX
Langford, Maldon
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 18 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
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.
Gigabit broadband (Gigabit (1Gbps+)) is available at CM9 4SX. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at CM9 4SX.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 100% | 100% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at CM9 4SX
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 Maldon
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CM9 4SX
This is the area guide for CM9 4SX, located in Langford (Maldon). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast broadband (30 Mbps+) coverage at CM9 4SX stands at 100%. That is above the UK average of 93%. 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 CM9 4SX 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 CM9 4SX 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 CM9 4SX. 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 CM9 4SX, 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 CM9 4SX 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 CM9 4SX 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 CM9 4SX: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CM9 4SX is Maldon. The immediate area is Langford, a distinct community within the wider district. The CM9 postcode area contains 978 postcodes on this site. Superfast broadband across CM9 ranges from 0% to 100%. CM9 4SX is close to the area average of 96%.
Broadband availability varies by provider and by property. At CM9 4SX, 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.
Life in Langford depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering CM9 4SX? Connectivity at CM9 4SX is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Maldon 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. Langford 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 Langford. 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 CM9 4SX in Langford. 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 CM9 4SX
What are the broadband speeds available at CM9 4SX?
Superfast broadband (30 Mbps+) is available to 100% of premises at CM9 4SX. Ultrafast coverage is at 100%.
What is the average house price near CM9 4SX?
No recent house price data is available for CM9 4SX.
What is the flood risk for properties at CM9 4SX?
CM9 4SX has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM9 4SX area?
School data for CM9 4SX is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM9 4SX compare to other areas?
Crime data for this area is being updated.
How suitable is CM9 4SX for remote working?
CM9 4SX scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM9 4SX?
4G outdoor coverage at CM9 4SX is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM9 4SX?
EPC data for CM9 4SX is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM9 4SX?
Council tax band information for CM9 4SX is being updated.
How accessible are GP surgeries near CM9 4SX?
GP surgery data for CM9 4SX is being updated. Check NHS.uk for the latest.
What transport links are available near CM9 4SX?
Transport data for CM9 4SX is being updated.
Is CM9 4SX a suitable area for families?
CM9 4SX scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM9 4SX?
Air quality data for CM9 4SX is being updated.
How far is the nearest EV charging point from CM9 4SX?
EV charging data for CM9 4SX is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM9 4SX?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CM9 4SXRemote Worker
55Based 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
Area info
Parish
Langford
District
Maldon
Region
Constituency
LSOA
E01021913
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