Broadband in SA1 4AF

SA1 4AF sits in Castle, part of Swansea. 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 coverage here stands at 66.7%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 66.7% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 66.7% of premises. Gigabit is available but not yet widespread at this postcode.

Here is how broadband speeds break down across premises at SA1 4AF. 66.7% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.

What do the broadband speeds at SA1 4AF mean in practice?

Fixed Wireless Access is not currently available at SA1 4AF. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At SA1 4AF, 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 66.7% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at SA1 4AF is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.

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 SA1 4AF 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 SA1 4AF: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SA1 4AF is Swansea. The immediate area is Castle, a distinct community within the wider district. The SA1 postcode area contains 1195 postcodes on this site. Superfast broadband across SA1 ranges from 0% to 100%. SA1 4AF is below the area average of 98%.

How does SA1 4AF compare to its neighbours? SA1 3BL (0.02 miles, castle) has 100% superfast coverage and 73.3% gigabit. SA1 5HY (0.03 miles, castle) has 100% superfast coverage and 100% gigabit. SA1 5HW (0.03 miles, castle) has 100% superfast coverage and 30% gigabit. SA1 3AG (0.04 miles, castle) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.

When choosing a broadband provider at SA1 4AF, 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.

Life in Castle depends on what matters to you. Broadband, transport, and local services vary by street.

What does all of this mean for someone considering SA1 4AF? 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. Castle 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 SA1 4AF. 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 SA1 4AF. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Castle hub page. Bookmark this page and check back as new data arrives.