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How Fast is Broadband in Hertsmere?

Based on real-world speed tests collected by ThinkBroadband in Q3 2025, Hertsmere has a median download speed of 92.5 Mbps and a median upload speed of 27.3 Mbps.

This constituency has "Good" download speeds and "Moderate" upload speeds. The 27.3 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 Hertsmere

Download Speeds
Bottom 20%45.8 Mbps
Median92.5 Mbps
Mean242.9 Mbps
Top 20%382.2 Mbps
Upload Speeds
Bottom 20%8.3 Mbps
Median27.3 Mbps
Mean59.1 Mbps
Top 20%97.3 Mbps

Understanding the Speed Data

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

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 Hertsmere, you can expect speeds around 92.5 Mbps download and 27.3 Mbps upload.

Broadband Coverage in Hertsmere

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

98.4%
Superfast (30Mbps+)
70.9%
Full Fibre (FTTP)
90.7%
Gigabit Capable

Hertsmere has good full fibre coverage at 70.9%. Check your postcode to see if full fibre is available at your address.

Speed Recommendations for Hertsmere

Based on the actual speeds in Hertsmere, 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

May need a faster connection for optimal performance.

Frequently Asked Questions

What is the average broadband speed in Hertsmere?

In Hertsmere, the median download speed is 92.5 Mbps and the median upload speed is 27.3 Mbps. The top 20% of connections achieve 382.2 Mbps download and 97.3 Mbps upload.

Is full fibre broadband available in Hertsmere?

Yes, full fibre (FTTP) broadband is available to 70.9% of properties in Hertsmere. Gigabit-capable broadband covers 90.7% of premises.

How does Hertsmere compare for upload speeds?

Hertsmere has moderate upload speeds with a median of 27.3 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.