SE21 postcode
Broadband in SE21 8JB
Lambeth, Lambeth
Gigabit broadband is available at this postcode.
Full fibre (FTTP) covers 78% of premises here.
Free, independent comparison · Ofcom verified data · Updated 18 March 2026
Flood Risk
Data pending
Fibre (FTTP)
Yes (78%)
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 8JB. 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 8JB.
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) | 78% | 78% | 100-300 Mbps |
| Full Fibre (FTTP) | 78% | 78% | 300-900 Mbps |
| Gigabit | 78% | 78% | 900-1,000 Mbps |
Speed Distribution at SE21 8JB
Source: Ofcom Connected Nations 2025
Digital Divide at SE21 8JB
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: 2
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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: E01003164
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
3.2 mi
by road
London Victoria
4.1 mi
by road
Lewisham
4.3 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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This is the area guide for SE21 8JB, 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 broadband (30 Mbps+) coverage at SE21 8JB stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 78.4% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 78.4% of premises. Gigabit is available but not yet widespread at this postcode. Full fibre (FTTP) is available to 78.4% of addresses. FTTP rollout is underway but not yet complete. The maximum download speed recorded is 1000 Mbps. That is well above the UK real-world average of 69 Mbps.
Looking at the full speed profile for SE21 8JB gives a better picture of what to expect. 21.6% of connections fall in the 30 to 300 Mbps range. 78.4% 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.
Here is how the broadband at SE21 8JB maps against common household needs. 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 8JB. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SE21 8JB 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.
In the latest month of data, 2 offences were recorded in this LSOA area. That is relatively low for England and Wales. The most common category was anti social behaviour. Other frequent types include theft from the person. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
The nearest train station to SE21 8JB is Clapham Junction, 3.2 miles away. You will need a car or bus to reach the station. Park-and-ride may be available. London Victoria is the next closest at 4.1 miles. Lewisham offers another option at 4.3 miles.
Properties around SE21 8JB most commonly fall into council tax 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.
Outdoor 4G mobile signal at SE21 8JB is available across 99% of the area. 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 8JB: remote working 100/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.
The local authority for SE21 8JB is Lambeth. The SE21 postcode area contains 281 postcodes on this site. Superfast broadband across SE21 ranges from 0% to 100%. SE21 8JB is close to the area average of 99%.
How does SE21 8JB compare to its neighbours? SE27 9BQ (0.07 miles, Lambeth) has 100% superfast coverage and 45.6% gigabit. SE27 9BW (0.1 miles, Lambeth) has 100% superfast coverage and 100% gigabit. SE24 9AH (0.12 miles, Lambeth) has 100% superfast coverage and 100% gigabit. SE21 8JD (0.13 miles, Lambeth) has 100% superfast coverage and 88.9% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Not every property at SE21 8JB gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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.
Pulling the data together for SE21 8JB, here is what stands out. 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.
Before making a decision about SE21 8JB, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
SE21 8JB in Lambeth: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
Frequently asked questions about SE21 8JB
What are the broadband speeds available at SE21 8JB?
Superfast broadband (30 Mbps+) is available to 100% of premises at SE21 8JB. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 78.4%.
What is the average house price near SE21 8JB?
No recent house price data is available for SE21 8JB.
What schools are nearby in the SE21 8JB area?
School data for SE21 8JB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SE21 8JB compare to other areas?
2 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SE21 8JB for remote working?
SE21 8JB scores 100/100 for remote working suitability. Strong broadband makes it well suited.
What is the mobile signal like at SE21 8JB?
4G outdoor coverage at SE21 8JB is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SE21 8JB?
EPC data for SE21 8JB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SE21 8JB?
The most common council tax band near SE21 8JB is Band C. The billing authority is Lambeth.
How accessible are GP surgeries near SE21 8JB?
GP surgery data for SE21 8JB is being updated. Check NHS.uk for the latest.
What transport links are available near SE21 8JB?
The nearest train station to SE21 8JB is Clapham Junction, 3.2 miles away. London Victoria is also nearby.
Is SE21 8JB a suitable area for families?
SE21 8JB scores 80/100 for family suitability. Good schools and low crime contribute to a high score.
What is the air quality like at SE21 8JB?
Air quality data for SE21 8JB is being updated.
How far is the nearest EV charging point from SE21 8JB?
EV charging data for SE21 8JB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SE21 8JB?
Full fibre (FTTP) is available to 78.4% of premises at SE21 8JB. Check with BT, Virgin Media, or local operators for availability.
Area suitability scores
SE21 8JBRemote 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
E01003164
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