The sale of half of this underused space could result in the capital receipt of over £1bn.
Last fall, Mayor Bloomberg approved forty-five proposals for 2014, including eight for Success Academy schools that wanted to "co-locate" — that is, move to underused space in public-school buildings.
On a trip to the restroom, I glimpsed a back garden, a rather unkempt and underused space where I saw a huge barbecue cooker.
The NHS has improved its estate management but could save a further £1bn a year by becoming even more efficient in managing empty or underused space.
Politicians and urban planners dreamed of ways to turn this underused space into a compelling daytime destination for New Yorkers, but nothing really happened until the state, in 2010, ceded most of the island to New York City.
They also revealed our best opportunities: numerous leases coming due that we could renegotiate or buy out, obsolete assets that we could sell, and underused space that we could reconfigure for greater efficiency.
Housing Authority officials say there is enough empty or underused space within its developments to support 25,000 new apartments and homes, but that they are selling only enough for roughly 5,000 or 6,000.
The report found that the NHS is using its estate more efficiently than in previous years, with the amount of underused space down by nearly a third from over 3m square metres in 2008-09 to 2.1m square metres last year.
Vickie Stickler, from Lyme Regis Town Council, said: "It's transformed an underused space into an asset and we hope it will encourage visitors into the town.
Similarly, millions of square feet in great rooms, breakfast nooks, laundry rooms and hallways and even 'spare' bedrooms go underused - space wasted most or all of the year.
In five months, Areum had already had around 30 guests, and her motivation to start hosting on Airbnb was to make the most of an underused space after moving into her university dorm.
