Jeffries was born in Beaconsfield, Buckinghamshire. His childhood was split between schools in England and Los Angeles.

He began playing the piano and writing songs at age of five. He was taught his first jazz chords by legendary actor Sir John Mills. He performed for guests at family parties, including Elmer Bernstein, Fred Astaire, Shirley MacLaine and Diana Dors. 

At 14, he was offered his first publishing deal by songwriter/publishing duo Bill Martin and Phil Coulter. In 1984 he signed as a songwriter to Elton John’s publishing company Rocket Music.

Jeffries attended The Purcell School of Music in London where he studied piano, violin, voice and composition. He has a BA in performance art. 

While living in New York in the 80s, Jeffries became friends with Andy Warhol, Keith Haring and Jean Michel Basquiat, and composed music for fashion shows at The Palladium nightclub.

He began his professional career aged 20 as a musician playing the piano and singing nightly at venues such as Langan’s Brasserie in Mayfair, The Roof Gardens in Kensington and The Ritz Hotel, Piccadilly.

In the 1990s, Jeffries was the keyboard player for Billy Mackenzie and The Associates. He worked with Neneh Cherry and Chaka Khan. He wrote songs for Carol Kenyon and is credited as co-writer on Kenyon's "Warrior Woman".

He is a member of the British Academy of Songwriters Composers and Authors, Incorporated Society of Musicians and The Royal Society of Musicians of Great Britain.

It was as his multi award winning ‘tragicomic genius’ (Julian Clary)  alter-ego Miss Hope Springs that Ty is best known.  After an unprecedented 12 years residency at Crazy Coqs, London’s premier cabaret venue that Ty retired La Springs to focus on songwriting. 

His musical style spans classical, vaudeville, music hall and Golden Age Hollywood musicals, as well as more experimental styles. He is a former mentee of Vangelis.