SM3 postcode
Broadband in SM3 9TQ
Sutton, Sutton
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 6 March 2026
Flood Risk
High
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
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 (Gigabit (1Gbps+)) is available at SM3 9TQ. 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 SM3 9TQ.
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) | 42% | 42% | 10-20 Mbps |
| Superfast (30+ Mbps) | 42% | 42% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 42% | 42% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 42% | 42% | 900-1,000 Mbps |
Speed Distribution at SM3 9TQ
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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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
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Sutton
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at SM3 9TQ in Sutton? 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.
41.7% of premises at SM3 9TQ can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 41.7% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 41.7% of premises. Gigabit is available but not yet widespread at this postcode.
Here is how broadband speeds break down across premises at SM3 9TQ. 58.3% of connections fall in the 10 to 30 Mbps range. 41.7% 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. 41.7% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
Translating the numbers at SM3 9TQ into daily use gives a clearer picture. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
Fixed Wireless Access is not currently available at SM3 9TQ. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SM3 9TQ 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 41.7% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SM3 9TQ 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.
Outdoor 4G mobile signal at SM3 9TQ is available across 95% of the area. 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for SM3 9TQ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SM3 9TQ is Sutton. The SM3 postcode area contains 371 postcodes on this site. Superfast broadband across SM3 ranges from 42% to 100%. SM3 9TQ is below the area average of 100%.
How does SM3 9TQ compare to its neighbours? SM3 9DG (0.04 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. SM3 9SZ (0.05 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. SM3 9RX (0.06 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
When choosing a broadband provider at SM3 9TQ, 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.
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 SM3 9TQ? 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.
Data is a starting point for Sutton. 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.
This covers the key data for SM3 9TQ. 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 SM3 9TQ
What are the broadband speeds available at SM3 9TQ?
Superfast broadband (30 Mbps+) is available to 41.7% of premises at SM3 9TQ. Ultrafast coverage is at 41.7%.
What is the average house price near SM3 9TQ?
No recent house price data is available for SM3 9TQ.
What is the flood risk for properties at SM3 9TQ?
SM3 9TQ has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SM3 9TQ area?
School data for SM3 9TQ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SM3 9TQ compare to other areas?
Crime data for this area is being updated.
How suitable is SM3 9TQ for remote working?
SM3 9TQ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SM3 9TQ?
4G outdoor coverage at SM3 9TQ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SM3 9TQ?
EPC data for SM3 9TQ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SM3 9TQ?
Council tax band information for SM3 9TQ is being updated.
How accessible are GP surgeries near SM3 9TQ?
GP surgery data for SM3 9TQ is being updated. Check NHS.uk for the latest.
What transport links are available near SM3 9TQ?
Transport data for SM3 9TQ is being updated.
Is SM3 9TQ a suitable area for families?
SM3 9TQ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SM3 9TQ?
Air quality data for SM3 9TQ is being updated.
How far is the nearest EV charging point from SM3 9TQ?
EV charging data for SM3 9TQ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SM3 9TQ?
Ultrafast broadband (100 Mbps+) reaches 41.7% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SM3 9TQRemote Worker
35Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based 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
Sutton
District
Sutton
Region
Constituency
LSOA
E01004115
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