SW18 postcode
Broadband in SW18 4DB
Wandsworth, Wandsworth
Standard broadband is the main option at this postcode.
Free, independent comparison · Ofcom verified data · Updated 7 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 SW18 4DB 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 SW18 4DB.
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 SW18 4DB
Source: Ofcom Connected Nations 2025
Digital Divide at SW18 4DB
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: 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.)
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01004601
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
Clapham Junction
1.2 mi
by road
Wimbledon
2.3 mi
by road
London Victoria
3.5 mi
by road
Council tax bands
Band distribution for Wandsworth
Most common: Band C
~£1,841/yr · Wandsworth
Annual council tax estimates for Wandsworth, 2024/25
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Wandsworth is home to SW18 4DB. 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 broadband (30 Mbps+) coverage at SW18 4DB 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 SW18 4DB 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.
Here is how the broadband at SW18 4DB 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.
Fixed Wireless Access is not currently available at SW18 4DB. 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 SW18 4DB, 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.
Crime in the LSOA covering SW18 4DB totalled 1 offences last month. This is a relatively low figure. The most common category was violent crime. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
Clapham Junction station is the closest rail link at 1.2 miles from SW18 4DB. A short drive or cycle gets you to the platform. Bus links may also connect. Wimbledon is the next closest at 2.3 miles. London Victoria offers another option at 3.5 miles.
Properties around SW18 4DB most commonly fall into council tax Band C. The billing authority is Wandsworth. 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 SW18 4DB 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 SW18 4DB: remote working 55/100, family 70/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SW18 4DB is Wandsworth. The SW18 postcode area contains 1177 postcodes on this site. Superfast broadband across SW18 ranges from 0% to 100%.
How does SW18 4DB compare to its neighbours? SW18 4AN (0 miles, Wandsworth) has 0% superfast coverage and 0% gigabit. SW18 4DD (0.04 miles, Wandsworth) has 100% superfast coverage and 100% gigabit. SW18 4GY (0.04 miles, Wandsworth) has 100% superfast coverage and 100% gigabit. SW18 4DH (0.06 miles, Wandsworth) has 4.5% superfast coverage and 4.5% gigabit.
When choosing a broadband provider at SW18 4DB, 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.
Every part of Wandsworth has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Looking at the overall picture for SW18 4DB, a few things are worth highlighting. Broadband is the main concern at SW18 4DB. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Wandsworth 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. Wandsworth 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 SW18 4DB. 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 SW18 4DB in Wandsworth. 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 SW18 4DB
What are the broadband speeds available at SW18 4DB?
Broadband is available at SW18 4DB. Contact local providers for specific speed information.
What is the average house price near SW18 4DB?
No recent house price data is available for SW18 4DB.
What schools are nearby in the SW18 4DB area?
School data for SW18 4DB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SW18 4DB compare to other areas?
1 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SW18 4DB for remote working?
SW18 4DB scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SW18 4DB?
4G outdoor coverage at SW18 4DB is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SW18 4DB?
EPC data for SW18 4DB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SW18 4DB?
The most common council tax band near SW18 4DB is Band C. The billing authority is Wandsworth.
How accessible are GP surgeries near SW18 4DB?
GP surgery data for SW18 4DB is being updated. Check NHS.uk for the latest.
What transport links are available near SW18 4DB?
The nearest train station to SW18 4DB is Clapham Junction, 1.2 miles away. Wimbledon is also nearby.
Is SW18 4DB a suitable area for families?
SW18 4DB scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.
What is the air quality like at SW18 4DB?
Air quality data for SW18 4DB is being updated.
How far is the nearest EV charging point from SW18 4DB?
EV charging data for SW18 4DB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SW18 4DB?
Full fibre availability at SW18 4DB is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SW18 4DBRemote 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
Wandsworth
District
Wandsworth
Region
Constituency
LSOA
E01004601
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