here we go Wiki says they did have 1,2,4,6,8,10,12
Studio 1 - A In Vison Continuity Studio, used by many of the In Vision Continuity announcers for junctions and the late night news from the early Eighties, mothballed in about 1998 and became a storage cupboard.
Studio 4 - A small in vision continuity studio was mothballed, then converted into offices and now part of reception.
Studio 10 - Not in the studio complex. Studio 10 was at the Chelsea Palace Theatre, London and used for interviews and filming acts outside Manchester. It was sold by Granada in the 1960s.
In addition to the original studios, there are other studios located around the complex. The Garden Studio is located in the garden, south of the tower, and is 477m² and used for interview based programmes or press shoots.
Of the original studios four remain:
Studio 2 - A small studio and newsroom housing Granada Reports and the northern operation of ITV News .
Studio 6 - A compact studio measuring 414m² (4,456 ft²) currently housing The Jeremy Kyle Show. It was intended to be mothballed to reduce maintenance costs in 2003, but was reprieved after programme production increased.
Studio 8 - A medium-sized studio measuring 491m² (5,285 ft²) with a capacity of 240, historically has been used for filming quiz shows such as University Challenge, Mastermind, The Krypton Factor, Countdown and The Chase.
Studio 12 - A large studio measuring 733m² (7,889 ft²) with a capacity of 524 is used for entertainment shows. The Beatles filmed their first television performance in this studio and the studio hosted the First Election Debate in 2010.
I'm sure the Garden Studio was used for ITV Play, Granada Good Life and on top of it was where they had Granada Reports roof top Garden, which they did say a while back they will have a new one at Media City.