Hôtel Scarlett in Paris

I had paid extra for an upgraded room, but what we received did not reflect this in any way. Upon receiving our key card, we were told to carry our luggage up two flights of spiral stairs, with no offer of help from staff. This was not only exhausting but also unsafe, and it took us nearly 20 minutes. The carpet on the stairs was dirty, worn, and smelled unpleasant.
The room itself was very small, dark, and had a strong old damp smell. It felt unclean and uninviting. The following issues were noted:

No mirror in the main room, and no nearby sockets to use hair styling tools. Along with no full length mirror in the hotel at all.

There were holes in the carpet in the room itself, adding to the sense of poor maintenance and neglect.

The only mirror available was in the bathroom, which steamed up quickly and took a long time to clear.

The toilet was positioned awkwardly, making it uncomfortable for anyone taller than 5'6" to sit on it without their knees touching the wall.

No bathroom storage, so we had to live out of our suitcases.

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I requested additional hangers at check-in and again later that day, only to be told eventually that none were available.
The “upgraded” room was no different from our friends’ standard room, except ours had twin beds instead of a double — no added value despite the extra charge.
Shower sprayed water in all directions due to the shower head not being cleaned.
The shower had a leak and caused flooding in the ba