SW3 postcode

Broadband in SW3 4LZ

Kensington and Chelsea, Kensington and Chelsea

Standard broadband is the main option at this postcode.

Best speed30 Mbps
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 5 March 2026

Flood Risk

Data pending

Fibre (FTTP)

No

Best speed

30 Mbps

Reviewed by Arthur TuringData last verified: 5 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 SW3 4LZ 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 SW3 4LZ.

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 SW3 4LZ

5–10 Mbps (44%)
10–30 Mbps (56%)

Source: Ofcom Connected Nations 2025

Digital Divide at SW3 4LZ

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: 1

other theft100%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: E01002902

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

🚂

London Victoria

0.7 mi

by road

🚂

London Paddington

1.8 mi

by road

🚂

Clapham Junction

1.9 mi

by road

NaPTAN · Straight-line distances

Council tax bands

Band distribution for Kensington and Chelsea

C

Most common: Band C

1,841/yr · Kensington and Chelsea

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 Kensington and Chelsea, 2024/25

VOA 2025

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Living near SW3 4LZ

Looking at SW3 4LZ in Kensington and Chelsea? 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 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.

Looking at the full speed profile for SW3 4LZ gives a better picture of what to expect. 44.4% of connections fall in the 5 to 10 Mbps range. 55.6% 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.

Here is how the broadband at SW3 4LZ maps against common household needs. 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.

FWA broadband has not reached SW3 4LZ yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at SW3 4LZ 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.

1 crimes were reported near SW3 4LZ in the most recent month. The level is relatively low. The most common category was other theft. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

London Victoria station is the closest rail link at 0.7 miles from SW3 4LZ. That is walkable for most people. No car needed for the daily commute. London Paddington is the next closest at 1.8 miles. Clapham Junction offers another option at 1.9 miles.

The most common council tax band near SW3 4LZ is Band C. The billing authority is Kensington and Chelsea. 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 SW3 4LZ 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 SW3 4LZ: remote working 55/100, family 70/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SW3 4LZ is Kensington and Chelsea. The SW3 postcode area contains 828 postcodes on this site. Superfast broadband across SW3 ranges from 0% to 100%.

How does SW3 4LZ compare to its neighbours? SW3 4RP (0.04 miles, Kensington and Chelsea) has 93.3% superfast coverage and 93.3% gigabit. SW3 4LY (0.04 miles, Kensington and Chelsea) has 100% superfast coverage and 98.6% gigabit. SW1W 8EL (0.08 miles, Kensington and Chelsea) has 100% superfast coverage and 100% gigabit. SW3 4RY (0.09 miles, Kensington and Chelsea) has 100% superfast coverage and 100% gigabit.

When choosing a broadband provider at SW3 4LZ, 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.

Kensington and Chelsea 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 SW3 4LZ, a few things are worth highlighting. Broadband is the main concern at SW3 4LZ. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Kensington and Chelsea 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. Kensington and Chelsea 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.

Numbers tell part of the story for SW3 4LZ. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

That is the full data picture for SW3 4LZ in Kensington and Chelsea. 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 SW3 4LZ

What are the broadband speeds available at SW3 4LZ?

Broadband is available at SW3 4LZ. Contact local providers for specific speed information.

What is the average house price near SW3 4LZ?

No recent house price data is available for SW3 4LZ.

What schools are nearby in the SW3 4LZ area?

School data for SW3 4LZ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SW3 4LZ compare to other areas?

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

How suitable is SW3 4LZ for remote working?

SW3 4LZ scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SW3 4LZ?

4G outdoor coverage at SW3 4LZ is 99%. 5G reaches 0%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SW3 4LZ?

EPC data for SW3 4LZ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SW3 4LZ?

The most common council tax band near SW3 4LZ is Band C. The billing authority is Kensington and Chelsea.

How accessible are GP surgeries near SW3 4LZ?

GP surgery data for SW3 4LZ is being updated. Check NHS.uk for the latest.

What transport links are available near SW3 4LZ?

The nearest train station to SW3 4LZ is London Victoria, 0.7 miles away. London Paddington is also nearby.

Is SW3 4LZ a suitable area for families?

SW3 4LZ scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.

What is the air quality like at SW3 4LZ?

Air quality data for SW3 4LZ is being updated.

How far is the nearest EV charging point from SW3 4LZ?

EV charging data for SW3 4LZ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SW3 4LZ?

Full fibre availability at SW3 4LZ is being updated. Check Openreach for the latest rollout status.

Area suitability scores

SW3 4LZ

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

Kensington and Chelsea

District

Kensington and Chelsea

Region

Constituency

LSOA

E01002902

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