SE21 postcode

Broadband in SE21 7JS

Southwark, Southwark

Gigabit broadband is available at this postcode.

Full fibre (FTTP) covers 84% of premises here.

Best speed1000 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 10 March 2026

Flood Risk

Data pending

Fibre (FTTP)

Yes (84%)

Best speed

1000 Mbps

Reviewed by Arthur TuringData last verified: 10 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (1000 Mbps) is available at SE21 7JS. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at SE21 7JS.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)84%
84%
100-300 Mbps
Full Fibre (FTTP)84%
84%
300-900 Mbps
Gigabit84%
84%
900-1,000 Mbps

Speed Distribution at SE21 7JS

30–300 Mbps (16%)
300+ Mbps (84%)

Source: Ofcom Connected Nations 2025

Digital Divide at SE21 7JS

Below USO (can't get 10/1 Mbps)0%
Unable to receive 30 Mbps (no superfast)0%
Next Generation Access (NGA) coverage100%

Fibre-to-cabinet or better

Decent broadband via Fixed Wireless (FWA)0%

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

99%

4G Indoor

85%

5G Outdoor

0%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025 · Data at local authority area level

Crime summary

Based on Police.uk data for 2025-12

Total crimes last month: 2

vehicle crime50%1
theft from the person50%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.)

Census 2021 (ONS)

Deprivation index (IMD)

English Indices of Deprivation 2019 · LSOA: E01004075

Overall IMD Decile

N/A / 10

N/A

Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on (2019 boundaries).

DomainDecileRankAssessment
IncomeN/AN/AN/A
EmploymentN/AN/AN/A
EducationN/AN/AN/A
HealthN/AN/AN/A
CrimeN/AN/AN/A
English Indices of Deprivation 2019 (MHCLG)

Transport links

Nearest train stations and towns

Nearest train stations

🚂

Lewisham

3.3 mi

by road

🚂

Greenwich

3.7 mi

by road

🚂

Clapham Junction

3.8 mi

by road

NaPTAN · Straight-line distances

Council tax bands

Band distribution for Southwark

C

Most common: Band C

1,841/yr · Southwark

A
30%£1,381
B
25%£1,611
C
20%£1,841
D
15%£2,071
E
5%£2,531
F
3%£2,991
G
1%£3,452
H
1%£4,142

Annual council tax estimates for Southwark, 2024/25

VOA 2025

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Living near SE21 7JS

Looking at SE21 7JS in Southwark? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.

100% of premises at SE21 7JS can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 84% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 84% of premises. Most homes can access gigabit speeds if they choose to. Full fibre (FTTP) is available to 84% 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.

Looking at the full speed profile for SE21 7JS gives a better picture of what to expect. 16% of connections fall in the 30 to 300 Mbps range. 84% 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 7JS 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.

FWA broadband has not reached SE21 7JS yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at SE21 7JS 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 vehicle crime. Other frequent types include theft from the person. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

Lewisham station is the closest rail link at 3.3 miles from SE21 7JS. You will need a car or bus to reach the station. Park-and-ride may be available. Greenwich is the next closest at 3.7 miles. Clapham Junction offers another option at 3.8 miles.

The most common council tax band near SE21 7JS is Band C. The billing authority is Southwark. 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 7JS 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 7JS: 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 7JS is Southwark. The SE21 postcode area contains 281 postcodes on this site. Superfast broadband across SE21 ranges from 0% to 100%. SE21 7JS is close to the area average of 99%.

How does SE21 7JS compare to its neighbours? SE21 7JZ (0.06 miles, Southwark) has 100% superfast coverage and 100% gigabit. SE21 7JR (0.06 miles, Southwark) has 100% superfast coverage and 100% gigabit. SE21 7AJ (0.06 miles, Southwark) has 100% superfast coverage and 100% gigabit. SE21 7JW (0.09 miles, Southwark) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Not every property at SE21 7JS 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.

Southwark offers a mix of residential properties and local amenities. The character of any area is best judged in person.

Looking at the overall picture for SE21 7JS, a few things are worth highlighting. 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 Southwark. 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.

SE21 7JS in Southwark: 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 7JS

What are the broadband speeds available at SE21 7JS?

Superfast broadband (30 Mbps+) is available to 100% of premises at SE21 7JS. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 84%.

What is the average house price near SE21 7JS?

No recent house price data is available for SE21 7JS.

What schools are nearby in the SE21 7JS area?

School data for SE21 7JS is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SE21 7JS compare to other areas?

2 offences were recorded in this LSOA area in the latest month. This is relatively low.

How suitable is SE21 7JS for remote working?

SE21 7JS scores 100/100 for remote working suitability. Strong broadband makes it well suited.

What is the mobile signal like at SE21 7JS?

4G outdoor coverage at SE21 7JS is 99%. 5G reaches 0%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SE21 7JS?

EPC data for SE21 7JS is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SE21 7JS?

The most common council tax band near SE21 7JS is Band C. The billing authority is Southwark.

How accessible are GP surgeries near SE21 7JS?

GP surgery data for SE21 7JS is being updated. Check NHS.uk for the latest.

What transport links are available near SE21 7JS?

The nearest train station to SE21 7JS is Lewisham, 3.3 miles away. Greenwich is also nearby.

Is SE21 7JS a suitable area for families?

SE21 7JS scores 80/100 for family suitability. Good schools and low crime contribute to a high score.

What is the air quality like at SE21 7JS?

Air quality data for SE21 7JS is being updated.

How far is the nearest EV charging point from SE21 7JS?

EV charging data for SE21 7JS is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SE21 7JS?

Full fibre (FTTP) is available to 84% of premises at SE21 7JS. Check with BT, Virgin Media, or local operators for availability.

Area suitability scores

SE21 7JS

Remote Worker

100

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

80

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Southwark

District

Southwark

Region

Constituency

LSOA

E01004075

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