These photos show work in progress on Billingham Forum, some taken in December 2009 and then later in January and March 2010. Courtesy of Glenn Atterton. 
Picture Stockton Archive
A Pictorial History of Stockton-on-Tees
These photos show work in progress on Billingham Forum, some taken in December 2009 and then later in January and March 2010. Courtesy of Glenn Atterton.
It looks like they are putting cladding on the outside rather than knocking it down.