CB5 postcode

Broadband in CB5 8JN

Fen Ditton, South Cambridgeshire

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 24 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 24 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 CB5 8JN. 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 CB5 8JN.

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)83%
83%
10-20 Mbps
Superfast (30+ Mbps)83%
83%
30-80 Mbps
Ultrafast (100+ Mbps)83%
83%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit83%
83%
900-1,000 Mbps

Speed Distribution at CB5 8JN

10–30 Mbps (17%)
300+ Mbps (83%)

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 South Cambridgeshire

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 CB5 8JN

CB5 8JN sits in Fen Ditton, part of South Cambridgeshire. 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 83.3%. Nationally, 93% of UK premises have access. Most properties here can get a decent connection. Ultrafast broadband (100 Mbps+) reaches 83.3% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 83.3% of premises. Most homes can access gigabit speeds if they choose to.

Here is how broadband speeds break down across premises at CB5 8JN. 16.7% of connections fall in the 10 to 30 Mbps range. 83.3% 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.

What do the broadband speeds at CB5 8JN 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 CB5 8JN yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at CB5 8JN 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 83.3% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CB5 8JN 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.

4G outdoor coverage at CB5 8JN 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.

Suitability scores for CB5 8JN: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CB5 8JN is South Cambridgeshire. The immediate area is Fen Ditton, a distinct community within the wider district. The CB5 postcode area contains 269 postcodes on this site. Superfast broadband across CB5 ranges from 0% to 100%. CB5 8JN is below the area average of 97%.

How does CB5 8JN compare to its neighbours? CB5 8XS (0.03 miles, fen-ditton) has 100% superfast coverage and 100% gigabit. CB5 8XT (0.03 miles, fen-ditton) has 96.2% superfast coverage and 96.2% gigabit. CB5 8XR (0.05 miles, fen-ditton) has 83.3% superfast coverage and 83.3% gigabit. Neighbouring postcodes tend to have better superfast coverage.

When choosing a broadband provider at CB5 8JN, 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 Fen Ditton has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Looking at the overall picture for CB5 8JN, a few things are worth highlighting. South Cambridgeshire 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. Fen Ditton 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 Fen Ditton. 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 CB5 8JN in Fen Ditton. 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 CB5 8JN

What are the broadband speeds available at CB5 8JN?

Superfast broadband (30 Mbps+) is available to 83.3% of premises at CB5 8JN. Ultrafast coverage is at 83.3%.

What is the average house price near CB5 8JN?

No recent house price data is available for CB5 8JN.

What is the flood risk for properties at CB5 8JN?

CB5 8JN has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CB5 8JN area?

School data for CB5 8JN is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CB5 8JN compare to other areas?

Crime data for this area is being updated.

How suitable is CB5 8JN for remote working?

CB5 8JN scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CB5 8JN?

4G outdoor coverage at CB5 8JN is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CB5 8JN?

EPC data for CB5 8JN is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CB5 8JN?

Council tax band information for CB5 8JN is being updated.

How accessible are GP surgeries near CB5 8JN?

GP surgery data for CB5 8JN is being updated. Check NHS.uk for the latest.

What transport links are available near CB5 8JN?

Transport data for CB5 8JN is being updated.

Is CB5 8JN a suitable area for families?

CB5 8JN scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CB5 8JN?

Air quality data for CB5 8JN is being updated.

How far is the nearest EV charging point from CB5 8JN?

EV charging data for CB5 8JN is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CB5 8JN?

Ultrafast broadband (100 Mbps+) reaches 83.3% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CB5 8JN

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

Fen Ditton

District

South Cambridgeshire

Region

Constituency

LSOA

E01018297

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