SM3 postcode
Broadband in SM3 8QD
Sutton, Sutton
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 19 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 8QD. That covers your 14 Mbps needs with room to spare.
Speed Test
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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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 83% | 83% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 83% | 83% | 900-1,000 Mbps |
Speed Distribution at SM3 8QD
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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SM3 8QD sits in Sutton. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.
Superfast broadband (30 Mbps+) coverage at SM3 8QD stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 83.3% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 83.3% of premises. Most homes can access gigabit speeds if they choose to.
Looking at the full speed profile for SM3 8QD gives a better picture of what to expect. 16.7% of connections fall in the 30 to 300 Mbps range. 83.3% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.
Here is how the broadband at SM3 8QD maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
FWA broadband has not reached SM3 8QD yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
The USO guarantees every UK home at least 10 Mbps. At SM3 8QD, 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 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SM3 8QD 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 8QD 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.
Suitability scores for SM3 8QD: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SM3 8QD falls within the Sutton local authority area. The SM3 postcode area contains 371 postcodes on this site. Superfast broadband across SM3 ranges from 42% to 100%. SM3 8QD is close to the area average of 100%.
How does SM3 8QD compare to its neighbours? SM3 8AG (0.03 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. SM3 8BN (0.05 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. SM3 8QB (0.05 miles, sutton-unparished-area) has 100% superfast coverage and 100% gigabit. SM3 8QH (0.06 miles, sutton-unparished-area) has 100% superfast coverage and 83.3% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Not every property at SM3 8QD gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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.
Life in Sutton depends on what matters to you. Broadband, transport, and local services vary by street.
Pulling the data together for SM3 8QD, here is what stands out. Connectivity at SM3 8QD is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. 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 SM3 8QD. 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 SM3 8QD in Sutton. 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.
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 8QD
What are the broadband speeds available at SM3 8QD?
Superfast broadband (30 Mbps+) is available to 100% of premises at SM3 8QD. Ultrafast coverage is at 83.3%.
What is the average house price near SM3 8QD?
No recent house price data is available for SM3 8QD.
What is the flood risk for properties at SM3 8QD?
SM3 8QD has a High flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SM3 8QD area?
School data for SM3 8QD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SM3 8QD compare to other areas?
Crime data for this area is being updated.
How suitable is SM3 8QD for remote working?
SM3 8QD scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SM3 8QD?
4G outdoor coverage at SM3 8QD is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SM3 8QD?
EPC data for SM3 8QD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SM3 8QD?
Council tax band information for SM3 8QD is being updated.
How accessible are GP surgeries near SM3 8QD?
GP surgery data for SM3 8QD is being updated. Check NHS.uk for the latest.
What transport links are available near SM3 8QD?
Transport data for SM3 8QD is being updated.
Is SM3 8QD a suitable area for families?
SM3 8QD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SM3 8QD?
Air quality data for SM3 8QD is being updated.
How far is the nearest EV charging point from SM3 8QD?
EV charging data for SM3 8QD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SM3 8QD?
Ultrafast broadband (100 Mbps+) reaches 83.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SM3 8QDRemote Worker
55Based 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
E01004111
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