SE23 postcode
Broadband in SE23 3UT
Lewisham, Lewisham
Standard broadband is the main option at this postcode.
Free, independent comparison · Ofcom verified data · Updated 29 March 2026
Flood Risk
Data pending
Fibre (FTTP)
No
Best speed
30 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.
The best available speed at SE23 3UT is 30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at SE23 3UT.
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) | 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 |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SE23 3UT
Source: Ofcom Connected Nations 2025
Digital Divide at SE23 3UT
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: 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.)
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01003257
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
Lewisham
2.6 mi
by road
Greenwich
3.2 mi
by road
Bromley South
4.3 mi
by road
Council tax bands
Band distribution for Lewisham
Most common: Band C
~£1,841/yr · Lewisham
Annual council tax estimates for Lewisham, 2024/25
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Check Deals →Living near SE23 3UT
Lewisham is home to SE23 3UT. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.
Superfast coverage here stands at 0%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. The maximum download speed recorded is 30 Mbps. That is around the UK real-world average of 69 Mbps.
Here is how broadband speeds break down across premises at SE23 3UT. 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 3UT 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 3UT. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SE23 3UT 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 0% of the area. NGA typically means speeds of 24 Mbps or above.
In the latest month of data, 0 offences were recorded in this LSOA area. That is relatively low for England and Wales. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
Lewisham station is the closest rail link at 2.6 miles from SE23 3UT. A short drive or cycle gets you to the platform. Bus links may also connect. Greenwich is the next closest at 3.2 miles. Bromley South offers another option at 4.3 miles.
Properties around SE23 3UT 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.
4G outdoor coverage at SE23 3UT 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 SE23 3UT: 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 3UT is Lewisham. The SE23 postcode area contains 602 postcodes on this site. Superfast broadband across SE23 ranges from 0% to 100%.
How does SE23 3UT compare to its neighbours? SE23 3XA (0.03 miles, Lewisham) has 71.4% superfast coverage and 57.1% gigabit. SE23 3UZ (0.03 miles, Lewisham) has 90.3% superfast coverage and 90.3% gigabit. SE23 3UE (0.05 miles, Lewisham) has 100% superfast coverage and 100% gigabit. SE23 3UF (0.06 miles, Lewisham) has 100% superfast coverage and 100% gigabit.
When choosing a broadband provider at SE23 3UT, 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.
What does all of this mean for someone considering SE23 3UT? Broadband is the main concern at SE23 3UT. 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.
SE23 3UT 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.
Frequently asked questions about SE23 3UT
What are the broadband speeds available at SE23 3UT?
Broadband is available at SE23 3UT. Contact local providers for specific speed information.
What is the average house price near SE23 3UT?
No recent house price data is available for SE23 3UT.
What schools are nearby in the SE23 3UT area?
School data for SE23 3UT is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SE23 3UT compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SE23 3UT for remote working?
SE23 3UT scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SE23 3UT?
4G outdoor coverage at SE23 3UT is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SE23 3UT?
EPC data for SE23 3UT is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SE23 3UT?
The most common council tax band near SE23 3UT is Band C. The billing authority is Lewisham.
How accessible are GP surgeries near SE23 3UT?
GP surgery data for SE23 3UT is being updated. Check NHS.uk for the latest.
What transport links are available near SE23 3UT?
The nearest train station to SE23 3UT is Lewisham, 2.6 miles away. Greenwich is also nearby.
Is SE23 3UT a suitable area for families?
SE23 3UT scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.
What is the air quality like at SE23 3UT?
Air quality data for SE23 3UT is being updated.
How far is the nearest EV charging point from SE23 3UT?
EV charging data for SE23 3UT is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SE23 3UT?
Full fibre availability at SE23 3UT is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SE23 3UTRemote Worker
55Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
70Based 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
Lewisham
District
Lewisham
Region
Constituency
LSOA
E01003257
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