The site in Clerkenwell will be transformed into a mixed-use development with ground floor and basement retail combined with seven storeys of high-quality office space including a terrace, a fitness facility, and generous cycle provision accessed directly from the nearby Cycle Superhighway connecting Elephant and Castle and King's Cross.
Construction above Farringdon station is expected to start later this year.
Plans are in place for 12 major developments over and around the new Elizabeth line stations and construction sites.
In total, the development plans cover more than three million square feet of office, retail and residential space between Paddington in the west and Woolwich in the east.
The developments are expected to raise £500m for reinvestment in improving transport in London.
Today's announcement follows the signing of development agreements in March this year:
• Bond Street station, where an agreement has been signed with Grosvenor Britain & Ireland to develop 110,000 sq ft of floor space above the western ticket hall. The proposed scheme comprises six floors of office accommodation above the station, served by an entrance lobby on Davies Street
• Farringdon station, where an agreement has been signed for the development over the eastern ticket hall with Helical Plc. The scheme, opposite the historic Smithfield Market, comprises 120,000 sq ft of office floor space over six storeys
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The site above Tottenham Court Road's eastern ticket hall, on the corner of Oxford Street and Charing Cross Road, was handed over to Derwent in early 2018.
Planning permission has been granted for 209,000 sq ft of offices, 36,000 sq ft of retail and a 40,000 sq ft theatre - the first new West End theatre in a generation.
Derwent has started enabling works with the intention of appointing a main contractor later this year.
TfL also has an existing agreement with Great Portland Estates relating to the Bond Street eastern ticket hall at Hanover Square.
The new mixed use scheme will deliver 325,000 sq ft and the site is expected to be handed over fully to the developer this summer.
The Elizabeth line will redefine transport in London with quicker, easier and more accessible journeys when services begin in December 2018.
Two hundred million passengers are expected to use the new line each year - more than all of London's airports combined.
The first train was test-driven through the new tunnels last month as construction of Europe's largest infrastructure project reaches its final stages.
Graeme Craig, Director of Commercial Development at TfL, said: "With the arrival of the Elizabeth line, Farringdon will become one of the best connected places in London.
"We are therefore delighted to have reached this agreement with HB Reavis at this superb location.
"As a key part of our huge development pipeline, the Elizabeth line schemes are directly opening up opportunities for new homes and jobs, and could raise £500 million to reinvest in London's transport network."
Steven Skinner, Transactions Director of HB Reavis UK, said: "We are delighted to have secured the acquisition of this strategically important site.
"The addition of the Elizabeth line at Farringdon station, creating the only station where the Tube, Thameslink and Elizabeth lines intersect, secures Clerkenwell as a sub-market with huge relevance across the whole of central London and reaffirms our commitment to invest in locations with superb connectivity and unique character.
"As with all of our buildings, we have put design quality and the needs of occupiers first.
"The design changes proposed for the scheme result in a unique product offering for Clerkenwell with large floor plates, uncompromised office space combining seamlessly with a real focus on the wellbeing of its occupants through carefully designed large scale outdoor spaces, a re-thinking of the traditional office reception and provision of spaces for health and fitness."
The Elizabeth line sites are a key part of TfL's plans to establish a significant long-term revenue stream to reinvest in transport.
Last year, TfL brought forward sites which will deliver more than 3,800 homes, half of which will be affordable.
This year, TfL is planning to bring forward land for at least another 3,000 new homes, again half of which will be affordable.
The introduction of the Elizabeth line supports the Mayor's Transport Strategy, which aims to create a fairer, greener, healthier and more prosperous city by improving public transport and reducing reliance on car journeys.
(MH/CM)
