Architectural configuration

Architectural Configuration is the ability a TARDIS has to move rooms around and delete rooms as if it were a computer. If a TARDIS is sluggish, a room can be jettisoned(or "deleted").

It also can be used to provide momentum should a TARDIS need to escape a threat. The number of rooms that are required to be deleted varies depending on the situation. The danger in Architectural Configuration is that there is a chance the console room could be deleted.

The Doctor jettisoned Romana's room after she left when the TARDIS wouldn't dematerialise. (DW: Logopolis) In another incarnation, 25% of the TARDIS was jettisoned to allow the TARDIS to escape from Event One. In the process, the Zero Room was jettisoned. (DW: Castrovalva)