SE21 postcode
Broadband in SE21 8LN
Lambeth, Lambeth
Gigabit broadband is available at this postcode.
Full fibre (FTTP) covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 12 March 2026
Flood Risk
Data pending
Fibre (FTTP)
Yes (100%)
Best speed
1000 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.
Gigabit broadband (1000 Mbps) is available at SE21 8LN. 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 SE21 8LN.
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) | 100% | 100% | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at SE21 8LN
Source: Ofcom Connected Nations 2025
Digital Divide at SE21 8LN
Fibre-to-cabinet or better
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 1
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Area demographics
Data for LSOA:
Population
N/A
Census 2021
Density
N/A
per km² · Unknown
Median Age
N/A
years (est.)
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01003170
Overall IMD Decile
N/A / 10
N/A
Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on (2019 boundaries).
| Domain | Decile | Rank | Assessment |
|---|---|---|---|
| Income | N/A | N/A | N/A |
| Employment | N/A | N/A | N/A |
| Education | N/A | N/A | N/A |
| Health | N/A | N/A | N/A |
| Crime | N/A | N/A | N/A |
Transport links
Nearest train stations and towns
Nearest train stations
Clapham Junction
3.5 mi
by road
Lewisham
3.9 mi
by road
London Victoria
4.2 mi
by road
Council tax bands
Band distribution for Lambeth
Most common: Band C
~£1,841/yr · Lambeth
Annual council tax estimates for Lambeth, 2024/25
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Check Deals →Living near SE21 8LN
This is the area guide for SE21 8LN, located in Lambeth. It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast coverage here stands at 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to. Full fibre (FTTP) is available to 100% of addresses. That puts this postcode ahead of much of the country. The maximum download speed recorded is 1000 Mbps. That is well above the UK real-world average of 69 Mbps.
The speed distribution at SE21 8LN tells a more detailed story than headline figures alone. 100% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.
Translating the numbers at SE21 8LN into daily use gives a clearer picture. Multiple 4K streams can run simultaneously. Netflix, Disney+, and iPlayer should all work without buffering even with several devices active. Remote working is viable here. Video conferencing, cloud documents, and VPN connections should all perform well.
Fixed Wireless Access is not currently available at SE21 8LN. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SE21 8LN 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.
1 crimes were reported near SE21 8LN in the most recent month. The level is relatively low. The most common category was violent crime. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
The nearest train station to SE21 8LN is Clapham Junction, 3.5 miles away. You will need a car or bus to reach the station. Park-and-ride may be available. Lewisham is the next closest at 3.9 miles. London Victoria offers another option at 4.2 miles.
The most common council tax band near SE21 8LN is Band C. The billing authority is Lambeth. The three most common bands are A (30%), B (25%), C (20%). Band A corresponds to 1991 property values of up to £40,000. Current values are typically much higher. The concentration in lower bands suggests a mix of smaller and mid-range properties.
4G outdoor coverage at SE21 8LN reaches 99%. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. 5G has not yet reached this postcode. Coverage is expanding but remains concentrated in urban centres. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network.
Suitability scores for SE21 8LN: remote working 100/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.
SE21 8LN falls within the Lambeth local authority area. The SE21 postcode area contains 281 postcodes on this site. Superfast broadband across SE21 ranges from 0% to 100%. SE21 8LN is close to the area average of 99%.
How does SE21 8LN compare to its neighbours? SE21 8HJ (0.02 miles, Lambeth) has 100% superfast coverage and 100% gigabit. SE21 8LL (0.08 miles, Lambeth) has 100% superfast coverage and 100% gigabit. SE21 8JX (0.09 miles, Lambeth) has 100% superfast coverage and 100% gigabit. SE21 8JF (0.14 miles, Lambeth) has 0% superfast coverage and 0% gigabit. SE21 8LN has better superfast coverage than its immediate neighbours.
When choosing a broadband provider at SE21 8LN, check what technology reaches your specific address. Availability varies by street and sometimes by building. Where full fibre is available, it typically offers faster and more reliable service than part-fibre connections. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
Life in Lambeth depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering SE21 8LN? Both fixed and mobile connectivity are strong. Backup options exist if one connection fails.
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 Lambeth. 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.
This covers the key data for SE21 8LN. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Lambeth hub page. Bookmark this page and check back as new data arrives.
Frequently asked questions about SE21 8LN
What are the broadband speeds available at SE21 8LN?
Superfast broadband (30 Mbps+) is available to 100% of premises at SE21 8LN. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 100%.
What is the average house price near SE21 8LN?
No recent house price data is available for SE21 8LN.
What schools are nearby in the SE21 8LN area?
School data for SE21 8LN is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SE21 8LN compare to other areas?
1 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SE21 8LN for remote working?
SE21 8LN scores 100/100 for remote working suitability. Strong broadband makes it well suited.
What is the mobile signal like at SE21 8LN?
4G outdoor coverage at SE21 8LN is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SE21 8LN?
EPC data for SE21 8LN is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SE21 8LN?
The most common council tax band near SE21 8LN is Band C. The billing authority is Lambeth.
How accessible are GP surgeries near SE21 8LN?
GP surgery data for SE21 8LN is being updated. Check NHS.uk for the latest.
What transport links are available near SE21 8LN?
The nearest train station to SE21 8LN is Clapham Junction, 3.5 miles away. Lewisham is also nearby.
Is SE21 8LN a suitable area for families?
SE21 8LN scores 80/100 for family suitability. Good schools and low crime contribute to a high score.
What is the air quality like at SE21 8LN?
Air quality data for SE21 8LN is being updated.
How far is the nearest EV charging point from SE21 8LN?
EV charging data for SE21 8LN is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SE21 8LN?
Full fibre (FTTP) is available to 100% of premises at SE21 8LN. Check with BT, Virgin Media, or local operators for availability.
Area suitability scores
SE21 8LNRemote Worker
100Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
80Based 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
Lambeth
District
Lambeth
Region
Constituency
LSOA
E01003170
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