CB2 postcode
Broadband in CB2 3JX
Cambridge, Cambridge
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 20 March 2026
Flood Risk
High
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 CB2 3JX. That covers your 14 Mbps needs with room to spare.
Speed Test
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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) | 23% | 23% | 10-20 Mbps |
| Superfast (30+ Mbps) | 23% | 23% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 15% | 15% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 15% | 15% | 900-1,000 Mbps |
Speed Distribution at CB2 3JX
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: High
This postcode is in undefined — high risk of flooding from rivers and sea.
Flood Zone
Risk Level
High
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 Cambridge
Most common: Band
Annual council tax estimates for , 2024/25
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This is the area guide for CB2 3JX, located in Cambridge. It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast coverage here stands at 23.1%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 15.4% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 15.4% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at CB2 3JX tells a more detailed story than headline figures alone. 76.9% of connections fall in the 10 to 30 Mbps range. 7.7% of connections fall in the 30 to 300 Mbps range. 15.4% 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.
Here is how the broadband at CB2 3JX maps against common household needs. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours. 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 CB2 3JX yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CB2 3JX 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 23.1% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CB2 3JX is rated High. 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 CB2 3JX 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 CB2 3JX: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CB2 3JX is Cambridge. The CB2 postcode area contains 534 postcodes on this site. Superfast broadband across CB2 ranges from 0% to 100%. CB2 3JX is below the area average of 95%.
How does CB2 3JX compare to its neighbours? CB2 3JU (0.02 miles, cambridge-unparished-area) has 25% superfast coverage and 25% gigabit. CB2 3LR (0.02 miles, cambridge-unparished-area) has 100% superfast coverage and 100% gigabit. CB2 3LL (0.03 miles, cambridge-unparished-area) has 59.1% superfast coverage and 59.1% gigabit. CB2 1TY (0.04 miles, cambridge-unparished-area) has 100% superfast coverage and 0% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Broadband availability varies by provider and by property. At CB2 3JX, 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 Cambridge has its own feel. This data gives you the factual starting point. A visit fills in the rest.
What does all of this mean for someone considering CB2 3JX? Cambridge 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. Cambridge 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 Cambridge. 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 CB2 3JX in Cambridge. 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 CB2 3JX
What are the broadband speeds available at CB2 3JX?
Superfast broadband (30 Mbps+) is available to 23.1% of premises at CB2 3JX. Ultrafast coverage is at 15.4%.
What is the average house price near CB2 3JX?
No recent house price data is available for CB2 3JX.
What is the flood risk for properties at CB2 3JX?
CB2 3JX has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CB2 3JX area?
School data for CB2 3JX is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CB2 3JX compare to other areas?
Crime data for this area is being updated.
How suitable is CB2 3JX for remote working?
CB2 3JX scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CB2 3JX?
4G outdoor coverage at CB2 3JX is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CB2 3JX?
EPC data for CB2 3JX is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CB2 3JX?
Council tax band information for CB2 3JX is being updated.
How accessible are GP surgeries near CB2 3JX?
GP surgery data for CB2 3JX is being updated. Check NHS.uk for the latest.
What transport links are available near CB2 3JX?
Transport data for CB2 3JX is being updated.
Is CB2 3JX a suitable area for families?
CB2 3JX scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CB2 3JX?
Air quality data for CB2 3JX is being updated.
How far is the nearest EV charging point from CB2 3JX?
EV charging data for CB2 3JX is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CB2 3JX?
Ultrafast broadband (100 Mbps+) reaches 15.4% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CB2 3JXRemote 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
Cambridge
District
Cambridge
Region
Constituency
LSOA
E01035515
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