Where do you live?

This is the flat. The flat is a comfortable accommodation. This is the loft. Loft is a comfortable for family without children. This is the temporary residence.

These are flats. Flat is a comfortable accommodation. (In case that you mean particular flat, you will use "the" flat)

This is a loft. Loft is a comfortable place for a family without children.

This is temporary housing. (or These are temporary housings. as an explanation of picture)

Very good!

Definite article "the" is used to point particular object.

Can you distinguish the difference among following sentences in terms of definite article?

I like a dog. (one unspecified dog)

I like the dog. (one particular dog,  For example, one dog you have)

I like dogs.  (as a species of animal)