SE23 postcode

Broadband in SE23 3BZ

Lewisham, Lewisham

Standard broadband is the main option at this postcode.

Best speed30 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 2 March 2026

Flood Risk

Data pending

Fibre (FTTP)

No

Best speed

30 Mbps

Reviewed by Arthur TuringData last verified: 2 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

The best available speed at SE23 3BZ is 30 Mbps. That covers your 14 Mbps estimate.

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Speed Test

Check your current download speed and see how it compares to what is available at SE23 3BZ.

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)0%
0%
10-20 Mbps
Superfast (30+ Mbps)0%
0%
30-80 Mbps
Ultrafast (100+ Mbps)0%
0%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit0%
0%
900-1,000 Mbps

Speed Distribution at SE23 3BZ

10–30 Mbps (100%)

Source: Ofcom Connected Nations 2025

Digital Divide at SE23 3BZ

Below USO (can't get 10/1 Mbps)0%
Unable to receive 30 Mbps (no superfast)0%
Next Generation Access (NGA) coverage0%

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: 0

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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: E01003254

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

2.5 mi

by road

🚂

Greenwich

3.1 mi

by road

🚂

London Bridge

4.4 mi

by road

NaPTAN · Straight-line distances

Council tax bands

Band distribution for Lewisham

C

Most common: Band C

1,841/yr · Lewisham

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 Lewisham, 2024/25

VOA 2025

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Living near SE23 3BZ

Looking at SE23 3BZ in Lewisham? 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.

Superfast broadband (30 Mbps+) coverage at SE23 3BZ stands at 0%. That is below the UK average of 93%. The maximum download speed recorded is 30 Mbps. That is around the UK real-world average of 69 Mbps.

The speed distribution at SE23 3BZ tells a more detailed story than headline figures alone. 100% of connections fall in the 10 to 30 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.

What do the broadband speeds at SE23 3BZ mean in practice? 4K streaming is possible on one device at a time. HD streaming works across multiple devices. Remote working is viable here. Video conferencing, cloud documents, and VPN connections should all perform well.

Fixed Wireless Access is not currently available at SE23 3BZ. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At SE23 3BZ, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 0% of the area. NGA typically means speeds of 24 Mbps or above.

0 crimes were reported near SE23 3BZ in the most recent month. The level is relatively low. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

The nearest train station to SE23 3BZ is Lewisham, 2.5 miles away. A short drive or cycle gets you to the platform. Bus links may also connect. Greenwich is the next closest at 3.1 miles. London Bridge offers another option at 4.4 miles.

Properties around SE23 3BZ most commonly fall into council tax Band C. The billing authority is Lewisham. 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 SE23 3BZ 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 SE23 3BZ: remote working 55/100, family 70/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SE23 3BZ is Lewisham. The SE23 postcode area contains 602 postcodes on this site. Superfast broadband across SE23 ranges from 0% to 100%.

How does SE23 3BZ compare to its neighbours? SE23 3BY (0.03 miles, Lewisham) has 100% superfast coverage and 100% gigabit. SE23 3QE (0.08 miles, Lewisham) has 100% superfast coverage and 100% gigabit. SE23 3QB (0.06 miles, Lewisham) has 100% superfast coverage and 100% gigabit. SE23 3DD (0.09 miles, Lewisham) has 100% superfast coverage and 100% gigabit.

When choosing a broadband provider at SE23 3BZ, 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 Lewisham depends on what matters to you. Broadband, transport, and local services vary by street.

Looking at the overall picture for SE23 3BZ, a few things are worth highlighting. Broadband is the main concern at SE23 3BZ. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Lewisham 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. Lewisham 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 Lewisham. 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 SE23 3BZ in Lewisham. 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.

Frequently asked questions about SE23 3BZ

What are the broadband speeds available at SE23 3BZ?

Broadband is available at SE23 3BZ. Contact local providers for specific speed information.

What is the average house price near SE23 3BZ?

No recent house price data is available for SE23 3BZ.

What schools are nearby in the SE23 3BZ area?

School data for SE23 3BZ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SE23 3BZ compare to other areas?

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

How suitable is SE23 3BZ for remote working?

SE23 3BZ scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SE23 3BZ?

4G outdoor coverage at SE23 3BZ is 99%. 5G reaches 0%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SE23 3BZ?

EPC data for SE23 3BZ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SE23 3BZ?

The most common council tax band near SE23 3BZ is Band C. The billing authority is Lewisham.

How accessible are GP surgeries near SE23 3BZ?

GP surgery data for SE23 3BZ is being updated. Check NHS.uk for the latest.

What transport links are available near SE23 3BZ?

The nearest train station to SE23 3BZ is Lewisham, 2.5 miles away. Greenwich is also nearby.

Is SE23 3BZ a suitable area for families?

SE23 3BZ scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.

What is the air quality like at SE23 3BZ?

Air quality data for SE23 3BZ is being updated.

How far is the nearest EV charging point from SE23 3BZ?

EV charging data for SE23 3BZ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SE23 3BZ?

Full fibre availability at SE23 3BZ is being updated. Check Openreach for the latest rollout status.

Area suitability scores

SE23 3BZ

Remote Worker

55

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

Family

70

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

Lewisham

District

Lewisham

Region

Constituency

LSOA

E01003254

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