Does a VPN slow down your internet?
Yes, slightly. Our UK tests show how much to expect.
By VPNGuide Editorial Team · Updated 20 September 2026
Encryption and the extra routing hop always cost some speed. On UK servers with WireGuard we typically measure between 8 and 26 per cent loss. On long routes such as Sydney, expect considerably more.
Looking for a recommendation?
NordVPN currently leads our UK ranking with a score of 9.4 out of 10.