Millions of Three, EE, Vodafone, and O2 users will get a signal boost in massive free upgrade

You can now scroll, stream, and stay connected across more of the London Underground network than ever before.

Transport for London (TfL) and Boldyn Networks have announced that some 60% of Underground stations now have 4G and 5G mobile coverage, with the entire network set to be fully connected by the end of 2026. All four major UK mobile operators – Three, EE, Vodafone, and Virgin Media O2 – are part of the project.

It's a game-changer for the millions of people who travel beneath the streets of the Capital every day, as you'll no longer lose signal the moment you descend those escalators. You can check live travel updates on TfL Go, message friends about running late, or simply catch up on emails during your commute.

Seb Dance, Deputy Mayor of London for Transport, said: "It's brilliant to see this continued progress on the Mayor's promise of delivering 4G and 5G across the London Underground, with more mobile coverage for passengers across an ever-growing network of lines and stations. In an increasingly digital world, we're committed to ensuring that all Londoners and visitors have the connections they need – even whilst on the move – as we build a better London for everyone."

Expanded 4G and 5G will also be coming to several new lines, such as Bakerloo, Metropolitan, District, and more.

On the Bakerloo line, if you're travelling between Queen's Park and Edgware Road can now use your phone in the tunnels — not just at stations. The Metropolitan line has gained coverage between Euston Square and King's Cross St Pancras, as well as from Barbican to Moorgate.

Circle and District line users are also benefiting, with new connectivity between Cannon Street and Monument, Sloane Square and Victoria, plus Bayswater and Paddington.

Several busy stations have also gone live, including Vauxhall, Temple, Nine Elms, and Gloucester Road.

This means commuters on these routes can finally make calls, send messages, and browse the internet without interruption as the train moves through the tunnels.

Some of London's biggest transport hubs are also getting connected, though it's happening in stages.

Paddington, Victoria, and King's Cross St Pancras are all beginning to receive coverage, starting with ticket halls and platforms before expanding further. These stations are so large and complex that engineers need to tackle them bit by bit.

Victoria Dell, Chief Executive Officer at PaddingtonNow Business Improvement District, said: "We welcome the continued rollout of 4G and 5G connectivity across the London Underground network, particularly the progress being made at Paddington station and on the lines that serve our district.

"For the thousands of people who travel to Paddington every day to work, visit, shop and do business, reliable mobile connectivity is increasingly essential. Improved coverage helps people stay connected, access real-time travel information, and make the most of their time while travelling.

"As one of London's most important transport hubs, Paddington plays a vital role in connecting businesses, residents, and visitors. This investment in digital infrastructure will enhance the experience of everyone using the area and further strengthen Paddington's position as a leading destination for business and innovation."By the end of this summer, the vast majority of the Northern, Bakerloo, and Metropolitan lines should have full tunnel coverage.

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Beyond convenience for commuters, the expanded network will also support the Emergency Services Network, giving first responders instant access to crucial data and images during emergencies underground.

TfL and Boldyn are also bringing coverage to underground sections of the Docklands Light Railway and the Windrush line between Highbury & Islington and New Cross.

Nick Hudson, Chief Operating Officer for the UK at Boldyn Networks, said: "At Boldyn Networks we are proud to work with TfL to ensure operators can keep their millions of customers connected throughout their daily Tube journeys. Through this long-term public-private partnership, we're delivering on our commitment to bring 4G and 5G coverage to every part of the London Underground - helping make London one of the best-connected cities in the world."

Tube line stations where mobile coverage is already available

Tube Line	Stations
Central Line	Shepherd's Bush, Holland Park, Notting Hill Gate, Queensway, Lancaster Gate, Marble Arch, Bond Street (Central & Elizabeth line only), Oxford Circus (Central line only), Tottenham Court Road, Holborn, Chancery Lane, St Paul's, Bank (Central line only)
Northern Line	Hampstead, Belsize Park, Chalk Farm, Highgate, Archway, Tufnell Park, Kentish Town, Camden Town, Mornington Crescent, Euston (Charing Cross branch), Angel, Warren Street, Goodge Street, Tottenham Court Road, Leicester Square, Charing Cross, Embankment, Kennington, Nine Elms, Battersea Power Station, Oval, Stockwell, Clapham North, Clapham Common, Clapham South, Balham, Tooting Bec, Tooting Broadway, Colliers Wood, South Wimbledon
Elizabeth Line	Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street (Elizabeth line only), Whitechapel, Canary Wharf, Woolwich
Jubilee Line	Swiss Cottage, Westminster, Waterloo (Jubilee line only), Southwark, London Bridge (Jubilee line only), Bermondsey, Canada Water, Canary Wharf, North Greenwich
Piccadilly Line	Holloway Road, Caledonian Road, King's Cross St Pancras (Piccadilly line only), Russell Square, Holborn, Covent Garden, Piccadilly Circus, Green Park (Victoria & Piccadilly lines only), Hyde Park Corner, Gloucester Road
Victoria Line	Warren Street, Green Park (Victoria & Piccadilly lines only), Victoria (Victoria line only), Pimlico, Vauxhall, Stockwell, Brixton
Bakerloo Line	Warwick Avenue, Paddington (Bakerloo line only), Edgware Road, Piccadilly Circus, Charing Cross, Embankment
Circle Line	Bayswater, Notting Hill Gate, Gloucester Road, Temple, Blackfriars, Mansion House, Cannon Street, Barbican, Euston Square

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