Unfortunately not in time for OPīs stay, but had a recent 1 night midweek stay.
The hotel is located on Bridge Place, just at the back of Victoria Train / Underground Station, and also very close to Victoria Coach station. I believe it was an Hisperia hotel until recently rebranded as a DT.
Good DIA recognition at check in, along with a warm cookie, and upgraded to an Executive Room on the 3rd floor with robes, waters, 2 chocolate truffles in a box and a couple of chocolate squares (presumably from turndown).
The room was an OK size for London standards, had a good size bathroom with bath and shower over it, and a view over other office blocks.
The full cold and hot buffet breakfast was complimentary for DIAs - it had a good selection of both and hot and cold options, along with efficient staff.
Unfortunately didnīt have time to view or use any of the lesiure facilities.