TN8 postcode
Broadband in TN8 6SA
Westerham, Sevenoaks
Superfast broadband covers 20% of premises here.
Free, independent comparison · Ofcom verified data · Updated 8 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
~30 Mbps
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.
The best available speed at TN8 6SA is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at TN8 6SA.
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) | 20% | 20% | 10-20 Mbps |
| Superfast (30+ Mbps) | 20% | 20% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at TN8 6SA
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: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
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 Sevenoaks
Most common: Band
Annual council tax estimates for , 2024/25
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This is the area guide for TN8 6SA, located in Westerham (Sevenoaks). 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 TN8 6SA stands at 20%. That is below the UK average of 93%.
Looking at the full speed profile for TN8 6SA gives a better picture of what to expect. 80% of connections fall in the 10 to 30 Mbps range. 20% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
Translating the numbers at TN8 6SA 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.
FWA broadband has not reached TN8 6SA yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at TN8 6SA fall below the Universal Service Obligation of 10 Mbps. 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 TN8 6SA is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
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.
Outdoor 4G mobile signal at TN8 6SA is available across 95% of the area. 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 TN8 6SA: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
TN8 6SA falls within the Sevenoaks local authority area. The immediate area is Westerham, a distinct community within the wider district. The TN8 postcode area contains 554 postcodes on this site. Superfast broadband across TN8 ranges from 0% to 100%. TN8 6SA is below the area average of 86%.
When choosing a broadband provider at TN8 6SA, 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.
Life in Westerham depends on what matters to you. Broadband, transport, and local services vary by street.
Looking at the overall picture for TN8 6SA, a few things are worth highlighting. Sevenoaks 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. Westerham 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.
Data is a starting point for Westerham. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
That is the full data picture for TN8 6SA in Westerham. 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 TN8 6SA
What are the broadband speeds available at TN8 6SA?
Superfast broadband (30 Mbps+) is available to 20% of premises at TN8 6SA.
What is the average house price near TN8 6SA?
No recent house price data is available for TN8 6SA.
What is the flood risk for properties at TN8 6SA?
TN8 6SA has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the TN8 6SA area?
School data for TN8 6SA is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in TN8 6SA compare to other areas?
Crime data for this area is being updated.
How suitable is TN8 6SA for remote working?
TN8 6SA scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at TN8 6SA?
4G outdoor coverage at TN8 6SA is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near TN8 6SA?
EPC data for TN8 6SA is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at TN8 6SA?
Council tax band information for TN8 6SA is being updated.
How accessible are GP surgeries near TN8 6SA?
GP surgery data for TN8 6SA is being updated. Check NHS.uk for the latest.
What transport links are available near TN8 6SA?
Transport data for TN8 6SA is being updated.
Is TN8 6SA a suitable area for families?
TN8 6SA scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at TN8 6SA?
Air quality data for TN8 6SA is being updated.
How far is the nearest EV charging point from TN8 6SA?
EV charging data for TN8 6SA is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at TN8 6SA?
Full fibre availability at TN8 6SA is being updated. Check Openreach for the latest rollout status.
Area suitability scores
TN8 6SARemote 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
Westerham
District
Sevenoaks
Region
Constituency
LSOA
E01024484
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