CM23 postcode
Broadband in CM23 2TX
Bishop's Stortford, East Hertfordshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 17 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 CM23 2TX. 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 CM23 2TX.
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) | 40% | 40% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 40% | 40% | 900-1,000 Mbps |
Speed Distribution at CM23 2TX
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 East Hertfordshire
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CM23 2TX
CM23 2TX sits in Bishop's Stortford, part of East Hertfordshire. 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.
100% of premises at CM23 2TX can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 40% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 40% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for CM23 2TX gives a better picture of what to expect. 60% of connections fall in the 30 to 300 Mbps range. 40% 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. 40% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
Translating the numbers at CM23 2TX into daily use gives a clearer picture. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
FWA broadband has not reached CM23 2TX yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
The USO guarantees every UK home at least 10 Mbps. At CM23 2TX, 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 CM23 2TX is rated Medium. 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 CM23 2TX 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 CM23 2TX: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CM23 2TX falls within the East Hertfordshire local authority area. The immediate area is Bishop's Stortford, a distinct community within the wider district. The CM23 postcode area contains 1097 postcodes on this site. Superfast broadband across CM23 ranges from 0% to 100%. CM23 2TX is close to the area average of 97%.
How does CM23 2TX compare to its neighbours? CM23 2DA (0.03 miles, bishop-s-stortford) has 100% superfast coverage and 63.6% gigabit. CM23 2DB (0.04 miles, bishop-s-stortford) has 100% superfast coverage and 100% gigabit. CM23 2BZ (0.05 miles, bishop-s-stortford) has 100% superfast coverage and 100% gigabit. CM23 2DD (0.06 miles, bishop-s-stortford) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Broadband availability varies by provider and by property. At CM23 2TX, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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 Bishop's Stortford 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 CM23 2TX? Connectivity at CM23 2TX is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. East Hertfordshire 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. Bishop's Stortford 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 CM23 2TX. 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 CM23 2TX. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Bishop's Stortford 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 CM23 2TX
What are the broadband speeds available at CM23 2TX?
Superfast broadband (30 Mbps+) is available to 100% of premises at CM23 2TX. Ultrafast coverage is at 40%.
What is the average house price near CM23 2TX?
No recent house price data is available for CM23 2TX.
What is the flood risk for properties at CM23 2TX?
CM23 2TX has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM23 2TX area?
School data for CM23 2TX is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM23 2TX compare to other areas?
Crime data for this area is being updated.
How suitable is CM23 2TX for remote working?
CM23 2TX scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM23 2TX?
4G outdoor coverage at CM23 2TX is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM23 2TX?
EPC data for CM23 2TX is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM23 2TX?
Council tax band information for CM23 2TX is being updated.
How accessible are GP surgeries near CM23 2TX?
GP surgery data for CM23 2TX is being updated. Check NHS.uk for the latest.
What transport links are available near CM23 2TX?
Transport data for CM23 2TX is being updated.
Is CM23 2TX a suitable area for families?
CM23 2TX scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM23 2TX?
Air quality data for CM23 2TX is being updated.
How far is the nearest EV charging point from CM23 2TX?
EV charging data for CM23 2TX is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM23 2TX?
Ultrafast broadband (100 Mbps+) reaches 40% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CM23 2TXRemote 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
Bishop's Stortford
District
East Hertfordshire
Region
Constituency
LSOA
E01023451
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