SE23 postcode

Broadband in SE23 3RT

Lewisham, Lewisham

Superfast broadband covers 100% of premises here.

Best speed300 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 7 March 2026

Flood Risk

Data pending

Fibre (FTTP)

No

Best speed

300 Mbps

Reviewed by Rex BlackwellData last verified: 7 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 3RT is 300 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 3RT.

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)0%
0%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit0%
0%
900-1,000 Mbps

Speed Distribution at SE23 3RT

100%
30–300 Mbps (100%)

Source: Ofcom Connected Nations 2025

Digital Divide at SE23 3RT

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: 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: E01003255

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

🚂

Bromley South

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 3RT

SE23 3RT sits in Lewisham. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.

100% of premises at SE23 3RT can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. The maximum download speed recorded is 300 Mbps. That is well above the UK real-world average of 69 Mbps.

Here is how broadband speeds break down across premises at SE23 3RT. 100% 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 SE23 3RT 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 SE23 3RT yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at SE23 3RT 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.

0 crimes were reported near SE23 3RT 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.

Lewisham station is the closest rail link at 2.5 miles from SE23 3RT. A short drive or cycle gets you to the platform. Bus links may also connect. Greenwich is the next closest at 3.1 miles. Bromley South offers another option at 4.4 miles.

The most common council tax band near SE23 3RT is 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 3RT 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 3RT: remote working 95/100, family 80/100, value 50/100. Strong broadband makes this area well suited to home working.

SE23 3RT falls within the Lewisham local authority area. The SE23 postcode area contains 602 postcodes on this site. Superfast broadband across SE23 ranges from 0% to 100%. SE23 3RT is close to the area average of 97%.

How does SE23 3RT compare to its neighbours? SE23 3RU (0.02 miles, Lewisham) has 100% superfast coverage and 0% gigabit. SE23 3RS (0.03 miles, Lewisham) has 100% superfast coverage and 0% gigabit. SE23 3RX (0.07 miles, Lewisham) has 100% superfast coverage and 100% gigabit. SE23 3QB (0.09 miles, Lewisham) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

When choosing a broadband provider at SE23 3RT, 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.

Lewisham 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 SE23 3RT, 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 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.

SE23 3RT in Lewisham: 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.

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 SE23 3RT

What are the broadband speeds available at SE23 3RT?

Superfast broadband (30 Mbps+) is available to 100% of premises at SE23 3RT. Maximum download speeds reach 300 Mbps.

What is the average house price near SE23 3RT?

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

What schools are nearby in the SE23 3RT area?

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

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

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

How suitable is SE23 3RT for remote working?

SE23 3RT scores 95/100 for remote working suitability. Strong broadband makes it well suited.

What is the mobile signal like at SE23 3RT?

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

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

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

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

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

How accessible are GP surgeries near SE23 3RT?

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

What transport links are available near SE23 3RT?

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

Is SE23 3RT a suitable area for families?

SE23 3RT scores 80/100 for family suitability. Good schools and low crime contribute to a high score.

What is the air quality like at SE23 3RT?

Air quality data for SE23 3RT is being updated.

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

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

Can I get full fibre broadband at SE23 3RT?

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

Area suitability scores

SE23 3RT

Remote Worker

95

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

Lewisham

District

Lewisham

Region

Constituency

LSOA

E01003255

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