It ain't ever going to fly again, about the only Concorde capable of flight again is one of the two parked up in Toulouse.
It was a lovely idea to park G-BOAB as an exhibit in T5 and indeed it should be parked and preserved someplace at LHR ... but as for flight ... forget it.
CDG have an excellent display of the beast with lights, as if on re-heat, in the engine outlets ..,. Typically British, or BA anyway, "Oh no, we couldn't possibly do anything like that"