In nothing flat and Until now

Until now and in nothing flat are semantically related. In some cases you can use "Until now" instead an adverb phrase "In nothing flat".

Until now adverb - Used in negative statement to describe a situation that has existed up to this point or up to the present time.

In nothing flat and until now are semantically related. Sometimes you can use "In nothing flat" instead an adverb phrase "Until now".