No, not according to the projections contained in Heathrow's proposals:
"Terminal 2 (c55-60mppa) – terminal building is extended to the north of the Phase 1 building currently under construction, serving both the eastern apron within the current airport boundary and a redeveloped rectilinear apron on the old Terminal 3 site
Terminal 4 (c10mppa) – continues to operate as it does today.
Terminal 5 (c30-35mppa) – continues to serve the existing Terminal 5 apron and piers (T5B and T5C)
Terminal 6 (c20-25mppa) – a new terminal building to the west of Terminal 5 to serve the new north-west apron"
I wonder if an extension to T5 will ever be forthcoming, particularly with BA/Iberia running out of space over there? Could make up for the 10mppa from T4, which will be 40 years old by 2026 and certainly requiring an update one way or another by then...?
Interesting, am amazed that the eventual capacity of LHR-1/2 (both phases) will be almost
double that of LHR-5. As large as it is, LHR-5 does appear to have significant use of remote stands and bussing, indicating the need for further satelites.
As there's to be no LHR-3 in future, it looks as if the site will be used for LHR-5D/E/F. With more satelites, could the Oneworld section of the current LHR-3 be accomodated in LHR-5? Or would it have to go in LHR-6 which could be linked to LHR-5 by transit train? Maybe that would be the new LHR-3.
If there was room for 10mppa extra in an extended LHR-5, would expect the Oneworld carriers (including a little of BA) currently in LHR-3 to grab it. Wouldn't it make more sense, bearing in mind that the only extension to LHR-5 can be satelites on the current LHR-3 site?
Linking the transit train to the new LHR-1/2 and its satelites would make airside flight transfers at LHR so easy (except to/from LHR-4). It would also allow the satelites built on the current LHR-3 site to be used by pax at LHR-1/2 as well as LHR-5.
A landside transit running parallel (LHR-6; LHR-5 (and stations); central
bus/railway/tube stations; LHR-1/2) would be the icing on the cake.
Unlikely, but stick it on the wish list.