SW1A postcode
Broadband in SW1A 1NS
Westminster, Westminster
Gigabit broadband is available at this postcode.
Full fibre (FTTP) covers 50% of premises here.
Free, independent comparison · Ofcom verified data · Updated 2 March 2026
Flood Risk
Data pending
Fibre (FTTP)
Yes (50%)
Best speed
1000 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.
Gigabit broadband (1000 Mbps) is available at SW1A 1NS. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at SW1A 1NS.
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) | 50% | 50% | 10-20 Mbps |
| Superfast (30+ Mbps) | 50% | 50% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 50% | 50% | 100-300 Mbps |
| Full Fibre (FTTP) | 50% | 50% | 300-900 Mbps |
| Gigabit | 50% | 50% | 900-1,000 Mbps |
Speed Distribution at SW1A 1NS
Source: Ofcom Connected Nations 2025
Digital Divide at SW1A 1NS
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: 23
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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: E01004736
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
London Victoria
0.7 mi
by road
London Waterloo
1.1 mi
by road
London Euston
1.6 mi
by road
Council tax bands
Band distribution for Westminster
Most common: Band C
~£1,841/yr · Westminster
Annual council tax estimates for Westminster, 2024/25
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Westminster is home to SW1A 1NS. 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.
50% of premises at SW1A 1NS can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 50% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 50% of premises. Gigabit is available but not yet widespread at this postcode. Full fibre (FTTP) is available to 50% of addresses. FTTP rollout is underway but not yet complete. The maximum download speed recorded is 1000 Mbps. That is well above the UK real-world average of 69 Mbps.
The speed distribution at SW1A 1NS tells a more detailed story than headline figures alone. 50% of connections fall in the 10 to 30 Mbps range. 50% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls. 50% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
Translating the numbers at SW1A 1NS 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 SW1A 1NS yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at SW1A 1NS 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 50% of the area. NGA typically means speeds of 24 Mbps or above.
Crime in the LSOA covering SW1A 1NS totalled 23 offences last month. This is a moderate figure. The most common category was other theft. Other frequent types include theft from the person and anti social behaviour. 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 SW1A 1NS. That is walkable for most people. No car needed for the daily commute. London Waterloo is the next closest at 1.1 miles. London Euston offers another option at 1.6 miles.
The most common council tax band near SW1A 1NS is Band C. The billing authority is Westminster. 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 SW1A 1NS 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for SW1A 1NS: remote working 85/100, family 70/100, value 50/100. Strong broadband makes this area well suited to home working.
SW1A 1NS falls within the Westminster local authority area. The SW1A postcode area contains 124 postcodes on this site. Superfast broadband across SW1A ranges from 0% to 100%. SW1A 1NS is below the area average of 79%.
How does SW1A 1NS compare to its neighbours? SW1A 1NR (0.03 miles, Westminster) has 71.4% superfast coverage and 71.4% gigabit. SW1A 1NP (0.03 miles, Westminster) has 77.8% superfast coverage and 77.8% gigabit. SW1A 1PJ (0.03 miles, Westminster) has 100% superfast coverage and 100% gigabit. SW1A 1NE (0.05 miles, Westminster) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
When choosing a broadband provider at SW1A 1NS, check what technology reaches your specific address. Availability varies by street and sometimes by building. Where full fibre is available, it typically offers faster and more reliable service than part-fibre connections. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
Westminster 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 SW1A 1NS? Strong broadband and close transport links give flexibility for both commuting and remote work. 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.
Before making a decision about SW1A 1NS, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
This covers the key data for SW1A 1NS. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Westminster hub page. Bookmark this page and check back as new data arrives.
Frequently asked questions about SW1A 1NS
What are the broadband speeds available at SW1A 1NS?
Superfast broadband (30 Mbps+) is available to 50% of premises at SW1A 1NS. Maximum download speeds reach 1000 Mbps. Ultrafast coverage is at 50%.
What is the average house price near SW1A 1NS?
No recent house price data is available for SW1A 1NS.
What schools are nearby in the SW1A 1NS area?
School data for SW1A 1NS is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SW1A 1NS compare to other areas?
23 offences were recorded in this LSOA area in the latest month. This is a moderate level.
How suitable is SW1A 1NS for remote working?
SW1A 1NS scores 85/100 for remote working suitability. Strong broadband makes it well suited.
What is the mobile signal like at SW1A 1NS?
4G outdoor coverage at SW1A 1NS is 99%. 5G reaches 0%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SW1A 1NS?
EPC data for SW1A 1NS is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SW1A 1NS?
The most common council tax band near SW1A 1NS is Band C. The billing authority is Westminster.
How accessible are GP surgeries near SW1A 1NS?
GP surgery data for SW1A 1NS is being updated. Check NHS.uk for the latest.
What transport links are available near SW1A 1NS?
The nearest train station to SW1A 1NS is London Victoria, 0.7 miles away. London Waterloo is also nearby.
Is SW1A 1NS a suitable area for families?
SW1A 1NS scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.
What is the air quality like at SW1A 1NS?
Air quality data for SW1A 1NS is being updated.
How far is the nearest EV charging point from SW1A 1NS?
EV charging data for SW1A 1NS is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SW1A 1NS?
Full fibre (FTTP) is available to 50% of premises at SW1A 1NS. Check with BT, Virgin Media, or local operators for availability.
Area suitability scores
SW1A 1NSRemote Worker
85Based 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
Westminster
District
Westminster
Region
Constituency
LSOA
E01004736
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