BA will take over the operation of the LHR hangar. The bmi branding has already started to be taken down & BA branding will be put up in it's place. It will also, quite appropriately, be named as 'TBD'.
That's a nice touch.
The original
T(echnical)
B(lock)
D, pulled down a few years ago, was the hangar block housing Bays 11-20, and many workshops, on the BEA Engineering (West) Base.