From the PDF link at the bottom of the above website.
To make the best use of the
existing runway at LTN by
increasing its capacity to
around 50 movements per hour
– potentially supporting in the
region of 36-38 mppa, or
240,000 aircraft movements
per year;
While we are primarily focused on making best use of the
existing runway at LTN, we are also exploring the capacity
of our other landholdings around the airport to contribute
to the economic and social wellbeing of the region.
So they tell the residents that they want to build a business park on their local park but later on after putting in a dual carriageway first they actually build a new terminal and a bunch of new stands on the park that they now lease.