CB4 postcode

Broadband in CB4 1NG

Cambridge, Cambridge

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 15 March 2026

Flood Risk

High

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 15 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

Gigabit broadband (Gigabit (1Gbps+)) is available at CB4 1NG. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at CB4 1NG.

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)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)91%
91%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit91%
91%
900-1,000 Mbps

Speed Distribution at CB4 1NG

30–300 Mbps (9%)
300+ Mbps (91%)

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: High

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

Flood Zone

Risk Level

High

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 Cambridge

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 CB4 1NG

CB4 1NG sits in Cambridge. 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 coverage here stands at 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 90.9% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 90.9% of premises. Most homes can access gigabit speeds if they choose to.

Here is how broadband speeds break down across premises at CB4 1NG. 9.1% of connections fall in the 30 to 300 Mbps range. 90.9% 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 CB4 1NG maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access is not currently available at CB4 1NG. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

0% of premises at CB4 1NG 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 CB4 1NG 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.

Outdoor 4G mobile signal at CB4 1NG 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 CB4 1NG: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

CB4 1NG falls within the Cambridge local authority area. The CB4 postcode area contains 890 postcodes on this site. Superfast broadband across CB4 ranges from 0% to 100%. CB4 1NG is close to the area average of 99%.

How does CB4 1NG compare to its neighbours? CB4 1LZ (0.02 miles, cambridge-unparished-area) has 100% superfast coverage and 100% gigabit. CB4 1TT (0.03 miles, cambridge-unparished-area) has 100% superfast coverage and 100% gigabit. CB4 1ED (0.05 miles, cambridge-unparished-area) has 100% superfast coverage and 100% gigabit. CB4 1GX (0.05 miles, cambridge-unparished-area) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

When choosing a broadband provider at CB4 1NG, 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.

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

Looking at the overall picture for CB4 1NG, a few things are worth highlighting. Connectivity at CB4 1NG is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. 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.

Numbers tell part of the story for CB4 1NG. 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 CB4 1NG. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Cambridge 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 CB4 1NG

What are the broadband speeds available at CB4 1NG?

Superfast broadband (30 Mbps+) is available to 100% of premises at CB4 1NG. Ultrafast coverage is at 90.9%.

What is the average house price near CB4 1NG?

No recent house price data is available for CB4 1NG.

What is the flood risk for properties at CB4 1NG?

CB4 1NG has a High flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CB4 1NG area?

School data for CB4 1NG is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CB4 1NG compare to other areas?

Crime data for this area is being updated.

How suitable is CB4 1NG for remote working?

CB4 1NG scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CB4 1NG?

4G outdoor coverage at CB4 1NG is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CB4 1NG?

EPC data for CB4 1NG is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CB4 1NG?

Council tax band information for CB4 1NG is being updated.

How accessible are GP surgeries near CB4 1NG?

GP surgery data for CB4 1NG is being updated. Check NHS.uk for the latest.

What transport links are available near CB4 1NG?

Transport data for CB4 1NG is being updated.

Is CB4 1NG a suitable area for families?

CB4 1NG scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CB4 1NG?

Air quality data for CB4 1NG is being updated.

How far is the nearest EV charging point from CB4 1NG?

EV charging data for CB4 1NG is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CB4 1NG?

Ultrafast broadband (100 Mbps+) reaches 90.9% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CB4 1NG

Remote Worker

55

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

Cambridge

District

Cambridge

Region

Constituency

LSOA

E01032802

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