CO1 postcode
Broadband in CO1 1SP
Colchester, Colchester
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 16 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 CO1 1SP. That covers your 14 Mbps needs with room to spare.
Speed Test
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Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 79% | 79% | 10-20 Mbps |
| Superfast (30+ Mbps) | 79% | 79% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 79% | 79% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 79% | 79% | 900-1,000 Mbps |
Speed Distribution at CO1 1SP
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 Colchester
Most common: Band
Annual council tax estimates for , 2024/25
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CO1 1SP sits in 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.
79.1% of premises at CO1 1SP can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 79.1% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 79.1% of premises. Gigabit is available but not yet widespread at this postcode.
Here is how broadband speeds break down across premises at CO1 1SP. 20.9% of connections fall in the 10 to 30 Mbps range. 79.1% 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.
Here is how the broadband at CO1 1SP maps against common household needs.
Fixed Wireless Access (FWA) is available to 100% of premises at CO1 1SP. FWA uses a fixed antenna to deliver broadband without a phone line or fibre cable. FWA coverage is strong here. Providers like Three and EE offer home broadband over their mobile networks.
0% of premises at CO1 1SP 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 79.1% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CO1 1SP 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.
4G outdoor coverage at CO1 1SP reaches 95%. 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 CO1 1SP: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CO1 1SP falls within the Colchester local authority area. The CO1 postcode area contains 514 postcodes on this site. Superfast broadband across CO1 ranges from 0% to 100%. CO1 1SP is below the area average of 89%.
How does CO1 1SP compare to its neighbours? CO1 1HQ (0.02 miles, colchester-unparished-area) has 0% superfast coverage and 0% gigabit. CO1 1SR (0.02 miles, colchester-unparished-area) has 50% superfast coverage and 0% gigabit. CO1 1GQ (0.03 miles, colchester-unparished-area) has 100% superfast coverage and 0% gigabit. CO1 1GJ (0.03 miles, colchester-unparished-area) has 100% superfast coverage and 100% gigabit. CO1 1SP has better superfast coverage than its immediate neighbours.
When choosing a broadband provider at CO1 1SP, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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 Colchester has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Pulling the data together for CO1 1SP, here is what stands out. 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. Colchester 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 Colchester. 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 CO1 1SP in Colchester. 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 CO1 1SP
What are the broadband speeds available at CO1 1SP?
Superfast broadband (30 Mbps+) is available to 79.1% of premises at CO1 1SP. Ultrafast coverage is at 79.1%.
What is the average house price near CO1 1SP?
No recent house price data is available for CO1 1SP.
What is the flood risk for properties at CO1 1SP?
CO1 1SP has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CO1 1SP area?
School data for CO1 1SP is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CO1 1SP compare to other areas?
Crime data for this area is being updated.
How suitable is CO1 1SP for remote working?
CO1 1SP scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CO1 1SP?
4G outdoor coverage at CO1 1SP is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CO1 1SP?
EPC data for CO1 1SP is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CO1 1SP?
Council tax band information for CO1 1SP is being updated.
How accessible are GP surgeries near CO1 1SP?
GP surgery data for CO1 1SP is being updated. Check NHS.uk for the latest.
What transport links are available near CO1 1SP?
Transport data for CO1 1SP is being updated.
Is CO1 1SP a suitable area for families?
CO1 1SP scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CO1 1SP?
Air quality data for CO1 1SP is being updated.
How far is the nearest EV charging point from CO1 1SP?
EV charging data for CO1 1SP is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CO1 1SP?
Ultrafast broadband (100 Mbps+) reaches 79.1% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CO1 1SPRemote 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
Area info
Parish
Colchester
District
Colchester
Region
Constituency
LSOA
E01035158
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