Broadband Speeds in South Antrim
Real-world broadband speed data from Q3 2025. See how South Antrim compares for both download and upload speeds.
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How Fast is Broadband in South Antrim?
Based on real-world speed tests collected by ThinkBroadband in Q3 2025, South Antrim has a median download speed of 127.2 Mbps and a median upload speed of 29.1 Mbps.
This constituency has "Very Good" download speeds and "Moderate" upload speeds. The 29.1 Mbps median upload is adequate for most home working and video call needs, though heavy uploaders may want to seek full fibre connections.
Speed Comparison for South Antrim
Understanding the Speed Data
The speed data shows the distribution of actual speeds achieved by users in South Antrim:
What the Numbers Mean
- Bottom 20%: Slowest fifth of connections
- Median: Typical speed (50% faster, 50% slower)
- Mean: Mathematical average
- Top 20%: Fastest fifth of connections
Why Median Matters Most
The median is the most reliable measure of typical performance. Unlike the mean, it isn't skewed by extremely fast or slow connections. If you move to South Antrim, you can expect speeds around 127.2 Mbps download and 29.1 Mbps upload.
Broadband Coverage in South Antrim
Coverage statistics from Ofcom show what connection types are available in this constituency:
South Antrim has excellent full fibre coverage at 97.1%. Most residents can access full fibre connections with symmetric upload speeds.
Speed Recommendations for South Antrim
Based on the actual speeds in South Antrim, here's what different activities require:
Video Conferencing (Zoom, Teams)
Typical speeds in this constituency are adequate for this activity.
Cloud Backup & File Uploads
Typical speeds in this constituency are adequate for this activity.
Online Gaming
Typical speeds in this constituency are adequate for this activity.
Multiple Users (4+ devices)
Typical speeds in this constituency are adequate for this activity.
Frequently Asked Questions
What is the average broadband speed in South Antrim?
In South Antrim, the median download speed is 127.2 Mbps and the median upload speed is 29.1 Mbps. The top 20% of connections achieve 288.2 Mbps download and 75.2 Mbps upload.
Is full fibre broadband available in South Antrim?
Yes, full fibre (FTTP) broadband is available to 97.1% of properties in South Antrim. Gigabit-capable broadband covers 97.2% of premises.
How does South Antrim compare for upload speeds?
South Antrim has moderate upload speeds with a median of 29.1 Mbps. This is important for video calls, cloud backups, and working from home.
About This Data
Speed data is sourced from ThinkBroadband (Q3 2025 measurements). Coverage data from Ofcom Connected Nations 2025. Actual speeds at your address may vary based on connection type, provider, and network conditions.