Broadband speeds of up to 10 gigabits per second (Gbps) have been tested in a home in the former Olympic village in east London.
Broadband operator Hyperoptic conducted the test, claiming it is the first time such speeds have been brought to a UK home using an existing ISP network rather than a dedicated line.
Firms are now looking to roll out full-fibre technology in the UK.
Ofcom boss Sharon White said higher speeds were becoming more necessary.
“The amount of internet data used by people in the UK is growing by around half every year. So we’ll increasingly need full-fibre broadband services like this to provide faster, more reliable connections and capacity to our homes and offices.
“We’re seeing real momentum behind full-fibre, with bigger and bolder commitments from companies of all sizes to build broadband that can support the UK’s digital future.”