SA15 postcode

Broadband in SA15 3UF

Llanelli, Carmarthenshire

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 27 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

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

Gigabit broadband (Gigabit (1Gbps+)) is available at SA15 3UF. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at SA15 3UF.

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)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)50%
50%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit50%
50%
900-1,000 Mbps

Speed Distribution at SA15 3UF

30–300 Mbps (50%)
300+ Mbps (50%)

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: Low

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

Flood Zone

Risk Level

Low

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 Carmarthenshire

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 SA15 3UF

SA15 3UF sits in Llanelli, part of Carmarthenshire. 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 SA15 3UF stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 50% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 50% of premises. Gigabit is available but not yet widespread at this postcode.

The speed distribution at SA15 3UF tells a more detailed story than headline figures alone. 50% of connections fall in the 30 to 300 Mbps range. 50% 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. 50% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

What do the broadband speeds at SA15 3UF mean in practice? Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access is not currently available at SA15 3UF. 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 SA15 3UF, 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 SA15 3UF 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 SA15 3UF 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 SA15 3UF: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for SA15 3UF is Carmarthenshire. The immediate area is Llanelli, a distinct community within the wider district. The SA15 postcode area contains 989 postcodes on this site. Superfast broadband across SA15 ranges from 0% to 100%. SA15 3UF is above the area average of 95%.

How does SA15 3UF compare to its neighbours? SA15 3TY (0.03 miles, llanelli) has 100% superfast coverage and 100% gigabit. SA15 3AS (0.04 miles, llanelli) has 100% superfast coverage and 100% gigabit. SA15 3JB (0.05 miles, llanelli) has 100% superfast coverage and 100% gigabit. SA15 3PL (0.06 miles, llanelli) has 100% superfast coverage and 66.7% gigabit. Coverage is broadly similar across these neighbouring postcodes.

When choosing a broadband provider at SA15 3UF, 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 Llanelli depends on what matters to you. Broadband, transport, and local services vary by street.

What does all of this mean for someone considering SA15 3UF? Connectivity at SA15 3UF is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Carmarthenshire 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. Llanelli 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.

Before making a decision about SA15 3UF, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.

This covers the key data for SA15 3UF. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Llanelli 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 SA15 3UF

What are the broadband speeds available at SA15 3UF?

Superfast broadband (30 Mbps+) is available to 100% of premises at SA15 3UF. Ultrafast coverage is at 50%.

What is the average house price near SA15 3UF?

No recent house price data is available for SA15 3UF.

What is the flood risk for properties at SA15 3UF?

SA15 3UF has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SA15 3UF area?

School data for SA15 3UF is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SA15 3UF compare to other areas?

Crime data for this area is being updated.

How suitable is SA15 3UF for remote working?

SA15 3UF scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SA15 3UF?

4G outdoor coverage at SA15 3UF is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SA15 3UF?

EPC data for SA15 3UF is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SA15 3UF?

Council tax band information for SA15 3UF is being updated.

How accessible are GP surgeries near SA15 3UF?

GP surgery data for SA15 3UF is being updated. Check NHS.uk for the latest.

What transport links are available near SA15 3UF?

Transport data for SA15 3UF is being updated.

Is SA15 3UF a suitable area for families?

SA15 3UF scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SA15 3UF?

Air quality data for SA15 3UF is being updated.

How far is the nearest EV charging point from SA15 3UF?

EV charging data for SA15 3UF is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SA15 3UF?

Ultrafast broadband (100 Mbps+) reaches 50% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

SA15 3UF

Remote Worker

55

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

Llanelli

District

Carmarthenshire

Region

Constituency

LSOA

W01000653

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