What do others think and does it make any sense at all?
Interesting that Jock's idea involves extending the existing runways in both directions, not just to the west:
So, allowing for RESAs, we're not just talking about diverting the M25, but also the A30, not to mention the almost complete destruction of Cranford and probably parts of Colnbrook too.
I'm not sure how it compares with 'Land & hold short' practised at airports such as O'Hare.
Lots of PPRuNe threads on LAHSO. It's not an idea that has gained much, if any, support in Europe.