Work at Spencer Court in Newcastle started on Tuesday, with huge cranes tearing down the top of the building.
The top floors have now gone and work on the lower levels of the flats is taking place.
The work is expected to continue for up to two weeks.
More top news
Emma Jesson brings you Sunday night's forecast
Cold and clear with widespread frost on Sunday night. Sunny Monday then showers
A number of Britons are feared stranded on Mount Everest after the Nepal earthquake triggered a deadly avalanche on Saturday.