Broadband Speeds in South West Wiltshire
Real-world broadband speed data from Q3 2025. See how South West Wiltshire compares for both download and upload speeds.
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How Fast is Broadband in South West Wiltshire?
Based on real-world speed tests collected by ThinkBroadband in Q3 2025, South West Wiltshire has a median download speed of 74.8 Mbps and a median upload speed of 24.9 Mbps.
This constituency has "Good" download speeds and "Moderate" upload speeds. The 24.9 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 West Wiltshire
Understanding the Speed Data
The speed data shows the distribution of actual speeds achieved by users in South West Wiltshire:
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 West Wiltshire, you can expect speeds around 74.8 Mbps download and 24.9 Mbps upload.
Broadband Coverage in South West Wiltshire
Coverage statistics from Ofcom show what connection types are available in this constituency:
South West Wiltshire has good full fibre coverage at 63.4%. Check your postcode to see if full fibre is available at your address.
Speed Recommendations for South West Wiltshire
Based on the actual speeds in South West Wiltshire, 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)
May need a faster connection for optimal performance.
Frequently Asked Questions
What is the average broadband speed in South West Wiltshire?
In South West Wiltshire, the median download speed is 74.8 Mbps and the median upload speed is 24.9 Mbps. The top 20% of connections achieve 505.3 Mbps download and 165 Mbps upload.
Is full fibre broadband available in South West Wiltshire?
Yes, full fibre (FTTP) broadband is available to 63.4% of properties in South West Wiltshire. Gigabit-capable broadband covers 85.7% of premises.
How does South West Wiltshire compare for upload speeds?
South West Wiltshire has moderate upload speeds with a median of 24.9 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.