Original sentence: Also announced at the end of October 2008, a new 25 storey tower named 'Number One Portsmouth', which has been proposed at a height of 100m (330ft)
Edited sentence: Also announced at the end of October 2008, a new 25 storey tower named 'Number One Portsmouth', which has been proposed at a height of 100m (330ft)and will stand over the road from Portsmouth & Southsea Station on Surrey Street.As of August 2009, internal demolition has started on the building the currently occupies the site