CT21 postcode
Broadband in CT21 4LQ
Lympne, Folkestone and Hythe
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 27 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 CT21 4LQ. 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 CT21 4LQ.
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) | 11% | 11% | 10-20 Mbps |
| Superfast (30+ Mbps) | 11% | 11% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 11% | 11% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 11% | 11% | 900-1,000 Mbps |
Speed Distribution at CT21 4LQ
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 Folkestone and Hythe
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CT21 4LQ
This is the area guide for CT21 4LQ, located in Lympne (Folkestone and Hythe). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast broadband (30 Mbps+) coverage at CT21 4LQ stands at 11.1%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 11.1% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 11.1% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at CT21 4LQ tells a more detailed story than headline figures alone. 88.9% of connections fall in the 2 to 5 Mbps range. 11.1% of connections fall in the 300 Mbps or faster range. 89% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.
Here is how the broadband at CT21 4LQ maps against common household needs. 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. The concentration of slow connections here is significant. For households that depend on the internet, checking real speeds before moving is essential. Satellite broadband via Starlink is worth considering.
50% of properties at CT21 4LQ can get Fixed Wireless Access broadband. This can be a useful alternative where fibre rollout is incomplete. FWA is an option for some properties. Check individual provider coverage before committing.
5.6% of premises at CT21 4LQ fall below the Universal Service Obligation of 10 Mbps. Properties below the USO can request a connection from BT under the scheme. Next-generation access (NGA) reaches 11.1% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CT21 4LQ 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 CT21 4LQ 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 CT21 4LQ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CT21 4LQ falls within the Folkestone and Hythe local authority area. The immediate area is Lympne, a distinct community within the wider district. The CT21 postcode area contains 641 postcodes on this site. Superfast broadband across CT21 ranges from 0% to 100%. CT21 4LQ is below the area average of 92%.
Broadband availability varies by provider and by property. At CT21 4LQ, 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.
Life in Lympne depends on what matters to you. Broadband, transport, and local services vary by street.
Pulling the data together for CT21 4LQ, here is what stands out. Folkestone and Hythe 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. Lympne 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 CT21 4LQ. 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 CT21 4LQ in Lympne. 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 CT21 4LQ
What are the broadband speeds available at CT21 4LQ?
Superfast broadband (30 Mbps+) is available to 11.1% of premises at CT21 4LQ. Ultrafast coverage is at 11.1%.
What is the average house price near CT21 4LQ?
No recent house price data is available for CT21 4LQ.
What is the flood risk for properties at CT21 4LQ?
CT21 4LQ has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CT21 4LQ area?
School data for CT21 4LQ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CT21 4LQ compare to other areas?
Crime data for this area is being updated.
How suitable is CT21 4LQ for remote working?
CT21 4LQ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CT21 4LQ?
4G outdoor coverage at CT21 4LQ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CT21 4LQ?
EPC data for CT21 4LQ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CT21 4LQ?
Council tax band information for CT21 4LQ is being updated.
How accessible are GP surgeries near CT21 4LQ?
GP surgery data for CT21 4LQ is being updated. Check NHS.uk for the latest.
What transport links are available near CT21 4LQ?
Transport data for CT21 4LQ is being updated.
Is CT21 4LQ a suitable area for families?
CT21 4LQ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CT21 4LQ?
Air quality data for CT21 4LQ is being updated.
How far is the nearest EV charging point from CT21 4LQ?
EV charging data for CT21 4LQ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CT21 4LQ?
Ultrafast broadband (100 Mbps+) reaches 11.1% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CT21 4LQRemote Worker
35Based 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
Lympne
District
Folkestone and Hythe
Region
Constituency
LSOA
E01024536
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