CB23 postcode

Broadband in CB23 7AT

Barton, South Cambridgeshire

Superfast broadband covers 25% of premises here.

Best speed~30 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 7 March 2026

Flood Risk

High

Fibre (FTTP)

No

Best speed

~30 Mbps

Reviewed by Arthur TuringData last verified: 7 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

The best available speed at CB23 7AT is ~30 Mbps. That covers your 14 Mbps estimate.

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Speed Test

Check your current download speed and see how it compares to what is available at CB23 7AT.

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)25%
25%
10-20 Mbps
Superfast (30+ Mbps)25%
25%
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 CB23 7AT

2–5 Mbps (50%)
10–30 Mbps (25%)
30–300 Mbps (25%)

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 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 CB23 7AT

Looking at CB23 7AT in Barton? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.

Superfast coverage here stands at 25%. Nationally, 93% of UK premises have access. Some properties may struggle with speed.

Looking at the full speed profile for CB23 7AT gives a better picture of what to expect. 50% of connections fall in the 2 to 5 Mbps range. 25% of connections fall in the 10 to 30 Mbps range. 25% of connections fall in the 30 to 300 Mbps range. 50% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.

Translating the numbers at CB23 7AT into daily use gives a clearer picture. 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.

Fixed Wireless Access is not currently available at CB23 7AT. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At CB23 7AT, 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 100% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CB23 7AT 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 CB23 7AT 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 CB23 7AT: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CB23 7AT is South Cambridgeshire. The immediate area is Barton, a distinct community within the wider district. The CB23 postcode area contains 861 postcodes on this site. Superfast broadband across CB23 ranges from 0% to 100%. CB23 7AT is below the area average of 94%.

When choosing a broadband provider at CB23 7AT, 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 Barton 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 CB23 7AT? 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. Barton 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 CB23 7AT. 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.

That is the full data picture for CB23 7AT in Barton. 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 CB23 7AT

What are the broadband speeds available at CB23 7AT?

Superfast broadband (30 Mbps+) is available to 25% of premises at CB23 7AT.

What is the average house price near CB23 7AT?

No recent house price data is available for CB23 7AT.

What is the flood risk for properties at CB23 7AT?

CB23 7AT has a High flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CB23 7AT area?

School data for CB23 7AT is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CB23 7AT compare to other areas?

Crime data for this area is being updated.

How suitable is CB23 7AT for remote working?

CB23 7AT scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CB23 7AT?

4G outdoor coverage at CB23 7AT is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CB23 7AT?

EPC data for CB23 7AT is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CB23 7AT?

Council tax band information for CB23 7AT is being updated.

How accessible are GP surgeries near CB23 7AT?

GP surgery data for CB23 7AT is being updated. Check NHS.uk for the latest.

What transport links are available near CB23 7AT?

Transport data for CB23 7AT is being updated.

Is CB23 7AT a suitable area for families?

CB23 7AT scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CB23 7AT?

Air quality data for CB23 7AT is being updated.

How far is the nearest EV charging point from CB23 7AT?

EV charging data for CB23 7AT is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CB23 7AT?

Full fibre availability at CB23 7AT is being updated. Check Openreach for the latest rollout status.

Area suitability scores

CB23 7AT

Remote Worker

35

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

Barton

District

South Cambridgeshire

Region

Constituency

LSOA

E01018225

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