CB23 postcode
Broadband in CB23 7ZH
Caldecote, South Cambridgeshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 29 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 CB23 7ZH. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at CB23 7ZH.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 100% | 100% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at CB23 7ZH
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 South Cambridgeshire
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at CB23 7ZH in Caldecote? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources.
Superfast coverage here stands at 100%. That is above the UK average of 93%. Ultrafast (100 Mbps+) reaches 100% of properties. Gigabit-capable connections cover 100% of premises.
Next-generation access (NGA) reaches 100% of the area. 100% of connections can achieve 300 Mbps or faster.
Flood risk at CB23 7ZH is rated Medium. Check Environment Agency flood maps for detailed information.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for CB23 7ZH: remote working 55/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
When choosing a broadband provider at CB23 7ZH, check what technology reaches your specific address. Compare contract lengths and total costs, not just headline speeds.
Caldecote offers a mix of local amenities and residential properties. The character of the area is best judged by visiting in person.
Data sources include Ofcom (broadband), 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. All figures are the latest available at the time of writing.
Before making a decision, visit in person. Check the commute. Try the mobile signal indoors. Look at local shops and green spaces. Data sets the scene, but real life fills in the gaps.
CB23 7ZH in Caldecote: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live check. Bookmark this page and check back as data refreshes.
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 7ZH
What are the broadband speeds available at CB23 7ZH?
Superfast broadband (30 Mbps+) is available to 100% of premises at CB23 7ZH. Ultrafast coverage is at 100%.
What is the average house price near CB23 7ZH?
No recent house price data is available for CB23 7ZH.
What is the flood risk for properties at CB23 7ZH?
CB23 7ZH has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CB23 7ZH area?
School data for CB23 7ZH is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CB23 7ZH compare to other areas?
Crime data for this area is being updated.
How suitable is CB23 7ZH for remote working?
CB23 7ZH scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CB23 7ZH?
Mobile coverage data for CB23 7ZH is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near CB23 7ZH?
EPC data for CB23 7ZH is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CB23 7ZH?
Council tax band information for CB23 7ZH is being updated.
How accessible are GP surgeries near CB23 7ZH?
GP surgery data for CB23 7ZH is being updated. Check NHS.uk for the latest.
What transport links are available near CB23 7ZH?
Transport data for CB23 7ZH is being updated.
Is CB23 7ZH a suitable area for families?
CB23 7ZH scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CB23 7ZH?
Air quality data for CB23 7ZH is being updated.
How far is the nearest EV charging point from CB23 7ZH?
EV charging data for CB23 7ZH is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CB23 7ZH?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Full fibre status may vary by provider. Check Openreach and local operators for FTTP availability.
Area suitability scores
CB23 7ZHRemote Worker
55Based 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
Caldecote
District
South Cambridgeshire
Region
Constituency
LSOA
E01018231
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