CO4 postcode
Broadband in CO4 5QF
Langham, Colchester
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data
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 CO4 5QF. That covers your 14 Mbps needs with room to spare.
Speed Test
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Living near CO4 5QF
Langham covers the CO4 5QF postcode in Colchester. Below you'll find a data-driven picture of life here. Broadband speeds from Ofcom and Ookla. Property prices from the Land Registry. Crime from Police.uk. Demographics from the ONS. Plus schools, flood risk, mobile coverage, and more. No filler. Just facts that help you decide.
Strong broadband in this part of Langham. Superfast (30Mbps+) reaches 100% of premises. The UK average is around 93%. Langham beats that. Ultrafast (100Mbps+) covers 100%. That puts Langham ahead of most UK postcodes. Enough for streaming, video calls, and smart home devices. Gigabit connections: 100% coverage. Most homes here can get future-proof speeds.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for CO4 5QF. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.
Flood risk: Medium. Zone: Zone 1. Moderate flood risk. Get a flood risk assessment before buying. Insurance premiums may be higher. Air quality: Unknown.
No public EV chargers recorded nearby. Home charging would be the main option. Check Zap-Map for the latest charger locations.
4G outdoor coverage: 95%. Good coverage. Some indoor dead spots possible. Data is at local authority level from Ofcom. Street-level signal can vary. Buildings and terrain affect actual reception. Try your handset on-site before switching provider.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. Run a speed test after installation. If speeds don't match what you're paying for, complain.
Transparency matters. Broadband data: Ofcom Connected Nations 2025. House prices: Land Registry. Crime: Police.uk. Demographics: ONS Census 2021. Flood risk: Environment Agency. Speed tests: Ookla Open Data Q4 2025. Cell towers: OpenStreetMap. All free, all public.
Research is one thing. Being there is another. Walk around CO4 5QF at different times of day. Check if the streets feel safe after dark. Look at how well homes are maintained. Visit the nearest park or green space. These things don't show up in statistics.
That's the full picture for CO4 5QF based on the latest data. Every area has trade-offs. These numbers help you spot them before you commit. Drill into each section above for the details. Compare several postcodes side by side. The right choice depends on what matters most to you. We refresh this data regularly.
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) | 0% | 0% | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at CO4 5QF
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Check Deals →Flood risk
🟠
Flood risk: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
Council tax bands
Band distribution for Colchester
Most common: Band
Annual council tax estimates for , 2024/25
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
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
Area info
Parish
Langham
District
Colchester
Region
Constituency
LSOA
E01021655
Frequently asked questions about CO4 5QF
What are the broadband speeds available at CO4 5QF?
Superfast broadband (30Mbps+) is available to 100% of premises at CO4 5QF. Maximum download speeds reach not confirmed. Ultrafast coverage is at 100%.
What is the average house price near CO4 5QF?
No recent house price data for CO4 5QF. Few residential sales on record, or mainly commercial properties.
What is the flood risk for properties at CO4 5QF?
CO4 5QF has a Medium flood risk rating, classified as Unknown by the Environment Agency. Check the Environment Agency flood map for detailed risk information.
What is the mobile signal like at CO4 5QF?
4G outdoor coverage at CO4 5QF is 95%, with 5G outdoor at not yet available. Networks available include EE, O2, Three, Vodafone. Data is at local authority level from Ofcom Connected Nations.
What is the most common energy efficiency rating for homes near CO4 5QF?
EPC data is not yet available for CO4 5QF. Energy Performance Certificates are recorded when properties are sold or rented. Check the EPC register at epc.opendatacommunities.org for individual property ratings.
What is the air quality like at CO4 5QF?
Air quality at CO4 5QF is rated Unknown with PM2.5 levels at not measured. Check Open-Meteo for detailed air quality forecasts.
How far is the nearest EV charging point from CO4 5QF?
EV charging data is not yet available for CO4 5QF. Check Zap-Map (zap-map.com) for the latest public charging locations near you.
Can I get full fibre broadband at CO4 5QF?
Ultrafast broadband (100Mbps+) is available to 100% of premises at CO4 5QF. Gigabit coverage reaches 100%. Providers like BT, Virgin Media, or local full fibre operators may serve this area.
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