CO9 postcode
Broadband in CO9 3DE
Castle Hedingham, Braintree
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 9 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 CO9 3DE. 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 CO9 3DE.
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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) | 10% | 10% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 10% | 10% | 900-1,000 Mbps |
Speed Distribution at CO9 3DE
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 Braintree
Most common: Band
Annual council tax estimates for , 2024/25
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CO9 3DE sits in Castle Hedingham, part of Braintree. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.
100% of premises at CO9 3DE can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 10% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 10% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at CO9 3DE tells a more detailed story than headline figures alone. 90% of connections fall in the 30 to 300 Mbps range. 10% 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.
What do the broadband speeds at CO9 3DE mean in practice? Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
FWA broadband has not reached CO9 3DE yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CO9 3DE 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 CO9 3DE 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 CO9 3DE 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 CO9 3DE: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CO9 3DE is Braintree. The immediate area is Castle Hedingham, a distinct community within the wider district. The CO9 postcode area contains 904 postcodes on this site. Superfast broadband across CO9 ranges from 0% to 100%. CO9 3DE is close to the area average of 96%.
How does CO9 3DE compare to its neighbours? CO9 3DF (0.02 miles, castle-hedingham) has 100% superfast coverage and 100% gigabit. CO9 3DD (0.03 miles, castle-hedingham) has 100% superfast coverage and 0% gigabit. CO9 3DH (0.06 miles, castle-hedingham) has 100% superfast coverage and 40% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Broadband availability varies by provider and by property. At CO9 3DE, 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 Castle Hedingham has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Looking at the overall picture for CO9 3DE, a few things are worth highlighting. Connectivity at CO9 3DE 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. Castle Hedingham 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 CO9 3DE. 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.
This covers the key data for CO9 3DE. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Castle Hedingham hub page. Bookmark this page and check back as new data arrives.
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 CO9 3DE
What are the broadband speeds available at CO9 3DE?
Superfast broadband (30 Mbps+) is available to 100% of premises at CO9 3DE. Ultrafast coverage is at 10%.
What is the average house price near CO9 3DE?
No recent house price data is available for CO9 3DE.
What is the flood risk for properties at CO9 3DE?
CO9 3DE has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CO9 3DE area?
School data for CO9 3DE is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CO9 3DE compare to other areas?
Crime data for this area is being updated.
How suitable is CO9 3DE for remote working?
CO9 3DE scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CO9 3DE?
4G outdoor coverage at CO9 3DE is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CO9 3DE?
EPC data for CO9 3DE is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CO9 3DE?
Council tax band information for CO9 3DE is being updated.
How accessible are GP surgeries near CO9 3DE?
GP surgery data for CO9 3DE is being updated. Check NHS.uk for the latest.
What transport links are available near CO9 3DE?
Transport data for CO9 3DE is being updated.
Is CO9 3DE a suitable area for families?
CO9 3DE scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CO9 3DE?
Air quality data for CO9 3DE is being updated.
How far is the nearest EV charging point from CO9 3DE?
EV charging data for CO9 3DE is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CO9 3DE?
Ultrafast broadband (100 Mbps+) reaches 10% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CO9 3DERemote 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
Castle Hedingham
District
Braintree
Region
Constituency
LSOA
E01021400
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