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How Fast is Broadband in Eltham and Chislehurst?

Based on real-world speed tests collected by ThinkBroadband in Q3 2025, Eltham and Chislehurst has a median download speed of 207.6 Mbps and a median upload speed of 57.7 Mbps.

This constituency has "Excellent" download speeds and "Very Good" upload speeds. With 57.7 Mbps median upload, residents can comfortably handle video conferencing, cloud backups, and live streaming without issues.

Speed Comparison for Eltham and Chislehurst

Download Speeds
Bottom 20%77 Mbps
Median207.6 Mbps
Mean262 Mbps
Top 20%453.5 Mbps
Upload Speeds
Bottom 20%23 Mbps
Median57.7 Mbps
Mean62.5 Mbps
Top 20%69.3 Mbps

Understanding the Speed Data

The speed data shows the distribution of actual speeds achieved by users in Eltham and Chislehurst:

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 Eltham and Chislehurst, you can expect speeds around 207.6 Mbps download and 57.7 Mbps upload.

Broadband Coverage in Eltham and Chislehurst

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

99.9%
Superfast (30Mbps+)
87.4%
Full Fibre (FTTP)
95.5%
Gigabit Capable

Eltham and Chislehurst has very good full fibre coverage at 87.4%. Most residents can access full fibre connections with symmetric upload speeds.

Speed Recommendations for Eltham and Chislehurst

Based on the actual speeds in Eltham and Chislehurst, 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

Typical speeds in this constituency are adequate for this activity.

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

Typical speeds in this constituency are adequate for this activity.

Frequently Asked Questions

What is the average broadband speed in Eltham and Chislehurst?

In Eltham and Chislehurst, the median download speed is 207.6 Mbps and the median upload speed is 57.7 Mbps. The top 20% of connections achieve 453.5 Mbps download and 69.3 Mbps upload.

Is full fibre broadband available in Eltham and Chislehurst?

Yes, full fibre (FTTP) broadband is available to 87.4% of properties in Eltham and Chislehurst. Gigabit-capable broadband covers 95.5% of premises.

How does Eltham and Chislehurst compare for upload speeds?

Eltham and Chislehurst has very good upload speeds with a median of 57.7 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.