SM1 postcode

Broadband in SM1 1LZ

Sutton, Sutton

Standard broadband is the main option at this postcode.

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Free, independent comparison · Ofcom verified data · Updated 27 March 2026

Flood Risk

High

Fibre (FTTP)

No

Best speed

Data pending

Reviewed by Arthur TuringData last verified: 27 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

Your household needs approximately 14 Mbps. We don't have speed data for SM1 1LZ yet.

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Speed Test

Check your current download speed and see how it compares to what is available at SM1 1LZ.

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 SM1 1LZ

10–30 Mbps (100%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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Flood risk

🔴

Flood risk: High

This postcode is in undefined — high risk of flooding from rivers and sea.

Flood Zone

Risk Level

High

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Sutton

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near SM1 1LZ

Sutton is home to SM1 1LZ. 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.

Looking at the full speed profile for SM1 1LZ gives a better picture of what to expect. 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 SM1 1LZ maps against common household needs. With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup.

FWA broadband has not reached SM1 1LZ yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at SM1 1LZ 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.

Flood risk at SM1 1LZ is rated High. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.

The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.

4G outdoor coverage at SM1 1LZ reaches 95%. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network.

Suitability scores for SM1 1LZ: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

SM1 1LZ falls within the Sutton local authority area. The SM1 postcode area contains 806 postcodes on this site. Superfast broadband across SM1 ranges from 0% to 100%.

How does SM1 1LZ compare to its neighbours? SM1 1LU (0.01 miles, sutton-unparished-area) has 80% superfast coverage and 80% gigabit. SM1 1JF (0.02 miles, sutton-unparished-area) has 93.8% superfast coverage and 93.8% gigabit. SM1 1LF (0.03 miles, sutton-unparished-area) has 0% superfast coverage and 0% gigabit. SM1 1JG (0.03 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit.

Broadband availability varies by provider and by property. At SM1 1LZ, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.

Sutton 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 SM1 1LZ? Broadband is the main concern at SM1 1LZ. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Sutton 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. Sutton 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 SM1 1LZ. 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.

This covers the key data for SM1 1LZ. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Sutton hub page. Bookmark this page and check back as new data arrives.

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 SM1 1LZ

What are the broadband speeds available at SM1 1LZ?

Broadband is available at SM1 1LZ. Contact local providers for specific speed information.

What is the average house price near SM1 1LZ?

No recent house price data is available for SM1 1LZ.

What is the flood risk for properties at SM1 1LZ?

SM1 1LZ has a High flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SM1 1LZ area?

School data for SM1 1LZ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SM1 1LZ compare to other areas?

Crime data for this area is being updated.

How suitable is SM1 1LZ for remote working?

SM1 1LZ scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SM1 1LZ?

4G outdoor coverage at SM1 1LZ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SM1 1LZ?

EPC data for SM1 1LZ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SM1 1LZ?

Council tax band information for SM1 1LZ is being updated.

How accessible are GP surgeries near SM1 1LZ?

GP surgery data for SM1 1LZ is being updated. Check NHS.uk for the latest.

What transport links are available near SM1 1LZ?

Transport data for SM1 1LZ is being updated.

Is SM1 1LZ a suitable area for families?

SM1 1LZ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SM1 1LZ?

Air quality data for SM1 1LZ is being updated.

How far is the nearest EV charging point from SM1 1LZ?

EV charging data for SM1 1LZ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SM1 1LZ?

Full fibre availability at SM1 1LZ is being updated. Check Openreach for the latest rollout status.

Area suitability scores

SM1 1LZ

Remote Worker

50

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

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

Sutton

District

Sutton

Region

Constituency

LSOA

E01034156

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