SA3 postcode
Broadband in SA3 4BE
Mumbles, Swansea
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 18 March 2026
Flood Risk
Medium
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 SA3 4BE. 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 SA3 4BE.
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) | 80% | 80% | 10-20 Mbps |
| Superfast (30+ Mbps) | 80% | 80% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 80% | 80% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 80% | 80% | 900-1,000 Mbps |
Speed Distribution at SA3 4BE
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: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
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 Swansea
Most common: Band
Annual council tax estimates for , 2024/25
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This is the area guide for SA3 4BE, located in Mumbles (Swansea). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast broadband (30 Mbps+) coverage at SA3 4BE stands at 80%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 80% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 80% of premises. Most homes can access gigabit speeds if they choose to.
Looking at the full speed profile for SA3 4BE gives a better picture of what to expect. 6.7% of connections fall in the 10 to 30 Mbps range. 80% 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.
Translating the numbers at SA3 4BE into daily use gives a clearer picture. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
Fixed Wireless Access (FWA) is available to 66.7% of premises at SA3 4BE. FWA uses a fixed antenna to deliver broadband without a phone line or fibre cable. FWA coverage is strong here. Providers like Three and EE offer home broadband over their mobile networks.
The USO guarantees every UK home at least 10 Mbps. At SA3 4BE, 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 80% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at SA3 4BE is rated Medium. 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 SA3 4BE 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 SA3 4BE: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SA3 4BE falls within the Swansea local authority area. The immediate area is Mumbles, a distinct community within the wider district. The SA3 postcode area contains 713 postcodes on this site. Superfast broadband across SA3 ranges from 0% to 100%. SA3 4BE is below the area average of 94%.
How does SA3 4BE compare to its neighbours? SA3 4BJ (0.01 miles, mumbles) has 100% superfast coverage and 100% gigabit. SA3 4BH (0.03 miles, mumbles) has 100% superfast coverage and 100% gigabit. SA3 4BL (0.03 miles, mumbles) has 100% superfast coverage and 93.8% gigabit. SA3 4BN (0.03 miles, mumbles) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Broadband availability varies by provider and by property. At SA3 4BE, 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.
Every part of Mumbles has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Pulling the data together for SA3 4BE, here is what stands out. Swansea 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. Mumbles 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 SA3 4BE. 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.
SA3 4BE in Mumbles: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
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 SA3 4BE
What are the broadband speeds available at SA3 4BE?
Superfast broadband (30 Mbps+) is available to 80% of premises at SA3 4BE. Ultrafast coverage is at 80%.
What is the average house price near SA3 4BE?
No recent house price data is available for SA3 4BE.
What is the flood risk for properties at SA3 4BE?
SA3 4BE has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SA3 4BE area?
School data for SA3 4BE is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SA3 4BE compare to other areas?
Crime data for this area is being updated.
How suitable is SA3 4BE for remote working?
SA3 4BE scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SA3 4BE?
4G outdoor coverage at SA3 4BE is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SA3 4BE?
EPC data for SA3 4BE is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SA3 4BE?
Council tax band information for SA3 4BE is being updated.
How accessible are GP surgeries near SA3 4BE?
GP surgery data for SA3 4BE is being updated. Check NHS.uk for the latest.
What transport links are available near SA3 4BE?
Transport data for SA3 4BE is being updated.
Is SA3 4BE a suitable area for families?
SA3 4BE scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SA3 4BE?
Air quality data for SA3 4BE is being updated.
How far is the nearest EV charging point from SA3 4BE?
EV charging data for SA3 4BE is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SA3 4BE?
Ultrafast broadband (100 Mbps+) reaches 80% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SA3 4BERemote Worker
50Based 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
Mumbles
District
Swansea
Region
Constituency
LSOA
W01000827
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