CO3 postcode

Broadband in CO3 8NB

Eight Ash Green, Colchester

Standard broadband is the main option at this postcode.

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Free, independent comparison · Ofcom verified data · Updated 12 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Data pending

Reviewed by Rex BlackwellData last verified: 12 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

Your household needs approximately 14 Mbps. We don't have speed data for CO3 8NB yet.

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Speed Test

Check your current download speed and see how it compares to what is available at CO3 8NB.

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)0%
0%
10-20 Mbps
Superfast (30+ Mbps)0%
0%
30-80 Mbps
Ultrafast (100+ Mbps)0%
0%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit0%
0%
900-1,000 Mbps

Speed Distribution at CO3 8NB

10–30 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: Low

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

Flood Zone

Risk Level

Low

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 Colchester

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 CO3 8NB

CO3 8NB sits in Eight Ash Green, part of Colchester. 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.

Superfast broadband (30 Mbps+) coverage at CO3 8NB stands at 0%. That is below the UK average of 93%.

The speed distribution at CO3 8NB tells a more detailed story than headline figures alone. 100% of connections fall in the 10 to 30 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 CO3 8NB mean in practice? With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. 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 CO3 8NB yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

The USO guarantees every UK home at least 10 Mbps. At CO3 8NB, 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 0% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CO3 8NB is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.

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 CO3 8NB 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 CO3 8NB: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

CO3 8NB falls within the Colchester local authority area. The immediate area is Eight Ash Green, a distinct community within the wider district. The CO3 postcode area contains 856 postcodes on this site. Superfast broadband across CO3 ranges from 0% to 100%.

Not every property at CO3 8NB 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.

Life in Eight Ash Green depends on what matters to you. Broadband, transport, and local services vary by street.

Pulling the data together for CO3 8NB, here is what stands out. Broadband is the main concern at CO3 8NB. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Colchester 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. Eight Ash Green 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 Eight Ash Green. 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.

CO3 8NB in Eight Ash Green: 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 CO3 8NB

What are the broadband speeds available at CO3 8NB?

Broadband is available at CO3 8NB. Contact local providers for specific speed information.

What is the average house price near CO3 8NB?

No recent house price data is available for CO3 8NB.

What is the flood risk for properties at CO3 8NB?

CO3 8NB has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CO3 8NB area?

School data for CO3 8NB is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CO3 8NB compare to other areas?

Crime data for this area is being updated.

How suitable is CO3 8NB for remote working?

CO3 8NB scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CO3 8NB?

4G outdoor coverage at CO3 8NB is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CO3 8NB?

EPC data for CO3 8NB is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CO3 8NB?

Council tax band information for CO3 8NB is being updated.

How accessible are GP surgeries near CO3 8NB?

GP surgery data for CO3 8NB is being updated. Check NHS.uk for the latest.

What transport links are available near CO3 8NB?

Transport data for CO3 8NB is being updated.

Is CO3 8NB a suitable area for families?

CO3 8NB scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CO3 8NB?

Air quality data for CO3 8NB is being updated.

How far is the nearest EV charging point from CO3 8NB?

EV charging data for CO3 8NB is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CO3 8NB?

Full fibre availability at CO3 8NB is being updated. Check Openreach for the latest rollout status.

Area suitability scores

CO3 8NB

Remote Worker

50

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

Eight Ash Green

District

Colchester

Region

Constituency

LSOA

E01021730

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