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How Fast is Broadband in South Dorset?

Based on real-world speed tests collected by ThinkBroadband in Q3 2025, South Dorset has a median download speed of 69.9 Mbps and a median upload speed of 17.9 Mbps.

This constituency has "Good" download speeds and "Basic" upload speeds. The 17.9 Mbps median upload may cause issues for video conferencing and cloud backups. Consider full fibre if available.

Speed Comparison for South Dorset

Download Speeds
Bottom 20%23.5 Mbps
Median69.9 Mbps
Mean137.8 Mbps
Top 20%201 Mbps
Upload Speeds
Bottom 20%6 Mbps
Median17.9 Mbps
Mean49.2 Mbps
Top 20%57.4 Mbps

Understanding the Speed Data

The speed data shows the distribution of actual speeds achieved by users in South Dorset:

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 Dorset, you can expect speeds around 69.9 Mbps download and 17.9 Mbps upload.

Broadband Coverage in South Dorset

Coverage statistics from Ofcom show what connection types are available in this constituency:

98.9%
Superfast (30Mbps+)
72.5%
Full Fibre (FTTP)
72.5%
Gigabit Capable

South Dorset has good full fibre coverage at 72.5%. Check your postcode to see if full fibre is available at your address.

Speed Recommendations for South Dorset

Based on the actual speeds in South Dorset, here's what different activities require:

Video Conferencing (Zoom, Teams)

Download needed: 10-25 Mbps
Upload needed: 5-10 Mbps

Typical speeds in this constituency are adequate for this activity.

Cloud Backup & File Uploads

Download needed: 10+ Mbps
Upload needed: 20+ Mbps

May need a faster connection for optimal performance.

Online Gaming

Download needed: 25-50 Mbps
Upload needed: 5-10 Mbps

Typical speeds in this constituency are adequate for this activity.

Multiple Users (4+ devices)

Download needed: 100+ Mbps
Upload needed: 20+ Mbps

May need a faster connection for optimal performance.

Frequently Asked Questions

What is the average broadband speed in South Dorset?

In South Dorset, the median download speed is 69.9 Mbps and the median upload speed is 17.9 Mbps. The top 20% of connections achieve 201 Mbps download and 57.4 Mbps upload.

Is full fibre broadband available in South Dorset?

Yes, full fibre (FTTP) broadband is available to 72.5% of properties in South Dorset. Gigabit-capable broadband covers 72.5% of premises.

How does South Dorset compare for upload speeds?

South Dorset has basic upload speeds with a median of 17.9 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.