London placed last among 18 European capitals for mobile speed and loaded latency
Ookla’s third-quarter 2026 measurements reportedly placed London last among eighteen European capitals. The ranking covers download and upload speeds and loaded latency; London had ranked seventh for download speed in 2021.

A 109.43 Mbps download median and loaded latency
According to the article's account of Ookla testing, London recorded a median download speed of 109.43 Mbps and a median upload speed of 11.40 Mbps in Q3 2026, alongside the highest latency under load among the 18 European capitals compared. The article attributes the decline to demand outpacing capacity, while citing constraints around rooftop sites, redevelopment, and planning applications.
Ookla's records cited in the article place London seventh among 18 European capitals for median download speed in 2021.
Ookla's Q3 2026 tests reportedly placed London last among the 18 capitals for median download speed, median upload speed, and latency under load.
The reported shift concerns the mobile network experience in a major capital and spans download speed, upload speed, and performance when the network is heavily used.
Sources
- The RegisterLondon’s mobile networks fall to bottom of Europe’s capital leagueRead source →