Connectivity Metrics

London's mobile connectivity is measured across four different metrics (upload speed, download speed, signal strength & latency).

Each metric in this dashboard is filterable by, or measured against, the Capital Connectivity Standard thresholds (A,B & C) shown in the table.

Data is shown for four (anonymised) network operators. The initial 'All Operators Combined' view presents an average of mobile performance in London, and can be changed to view a single operator's performance.

A: Ofcom Successful
B: Strong (City-grade)
C: Forward-looking

Metric	A Ofcom Successful	B Strong (City-grade)	C Forward-looking
Download Speed (Mbps)	≥ 5	≥ 25	≥ 100
Upload Speed (Mbps)	≥ 1.5	≥ 8	≥ 25
Signal Strength (dBm)	≥ -95	≥ -95	≥ -85
Latency (ms)	≤ 50	≤ 50	≤ 30

All Operators Combined

All Metrics

Q4 2025 - Weekday / Peak

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GLA City Intelligence
Source:Mobile connectivity data provided by Ookla. Basemaps provided by Ordnance Survey; Contains OS data © Crown copyright and database rights 2026.

London

All Operators Combined

Metric Analysis

Q4 2025 - Weekday / Peak

Display Metric

Download Speed

Number of measurements: …

Lowest 10%

NaN Mbps

Median

NaN Mbps

Highest 10%

NaN Mbps

Select analysis

% Meeting Thresholds Distribution Cumulative Distribution

Percentage meeting thresholds

Of Capital Connectivity Standard

GLA City Intelligence
Source:Ookla
Note:Each bar shows the proportion of Download Speed measurements that were at or above the threshold for that standard in Q4 2025.

Change in performance

Against Capital Connectivity Standard thresholds

GLA City Intelligence
Source:Ookla
Note:Each line shows the proportion of Download Speed measurements that are at or above the threshold for that standard.