During the official Doctor Who convention, people were given the opportunity to have a tour around the actual TARDIS Set, now bare in mind TARDIS scenes for episode 1,2 and 3 have already been filmed, there has been 2 additions to the usual TARDIS set.

A corridor which is on the above section leading to the below picture...

A unique wall which to me looks like it has a door that goes somewhere...

Thanx to RTTPProductions for the heads up!