CB23 postcode
Broadband in CB23 7ZT
Caldecote, South Cambridgeshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data
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 7ZT. 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 7ZT.
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 7ZT
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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Check Deals →Living near CB23 7ZT
CB23 7ZT is in Caldecote, South Cambridgeshire. This guide pulls together data from Ofcom, Land Registry, Police.uk, and more. Every figure is specific to this postcode or its local area. We cover broadband, real-world speeds, house prices, and crime. Plus schools, flood risk, air quality, transport, and GP access. Use it to compare against other postcodes you're considering.
Broadband at CB23 7ZT is solid. Superfast (30Mbps+) reaches 100% of premises. The UK average is around 93%. Caldecote beats that. Ultrafast (100Mbps+) covers 100%. That puts Caldecote ahead of most UK postcodes. Enough for streaming, video calls, and smart home devices. Gigabit connections: 100% coverage. Most homes here can get future-proof speeds.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for CB23 7ZT. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.
No public EV chargers recorded nearby. Home charging would be the main option. Check Zap-Map for the latest charger locations.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. Run a speed test after installation. If speeds don't match what you're paying for, complain.
Where does this data come from? Broadband figures from Ofcom Connected Nations 2025. Crime from Police.uk. House prices from HM Land Registry. Demographics from the ONS Census. Flood data from the Environment Agency. Speed tests from Ookla. All public, all verifiable.
Numbers only go so far. Visit CB23 7ZT on a weekday morning and a Saturday afternoon. Check parking availability. Listen for traffic noise. Look at the condition of nearby properties. Talk to a neighbour if you can. First impressions matter when choosing a home.
That's the full picture for CB23 7ZT based on the latest data. Every area has trade-offs. These numbers help you spot them before you commit. Drill into each section above for the details. Compare several postcodes side by side. The right choice depends on what matters most to you. We refresh this data regularly.
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 7ZT
What broadband speeds are available at CB23 7ZT?
100% of premises can get superfast broadband here. Top listed speed is Gigabit (1Gbps+).
Can I get gigabit broadband at CB23 7ZT?
100% of premises here can get gigabit-capable broadband.
What are house prices like near CB23 7ZT?
Recent sale data is limited around CB23 7ZT, which often happens in mixed-use or low-turnover areas.
What schools are near CB23 7ZT?
School data is not loaded for this postcode yet.
What is the flood risk at CB23 7ZT?
CB23 7ZT is marked as Medium flood risk in the current dataset.
How is air quality around CB23 7ZT?
Air quality data is not loaded for this postcode yet.
Are there GP surgeries near CB23 7ZT?
GP access data for this postcode is not loaded yet.
What transport links does CB23 7ZT have?
Transport station data is not loaded for this postcode yet.
Is there mobile coverage at CB23 7ZT?
Outdoor 4G coverage is listed at 95% and 5G at undefined% for the wider area.
Can I charge an EV near CB23 7ZT?
EV charging data is not loaded for this postcode yet.
What council tax band is common near CB23 7ZT?
Council tax distribution is not loaded for this postcode yet.
What makes CB23 7ZT different from nearby areas?
CB23 7ZT has its own mix of broadband coverage, local services, prices, and environmental signals. That is why postcode-level pages are more useful than generic town guides.
Should I compare CB23 7ZT with nearby postcodes?
Yes. Small postcode changes can mean different prices, flood signals, and service access.
Is CB23 7ZT worth checking in person?
Yes. The numbers narrow the shortlist, but walking the street still tells you things no dataset can.
How current is the data for CB23 7ZT?
This page uses official datasets that update on different cycles, so it is best used as a strong screening tool.
Map
Area info
Parish
Caldecote
District
South Cambridgeshire
Region
Constituency
LSOA
E01018231
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