The rooms were not double glazed and there's no heating in the bedrooms. We stayed in end of January 2023 - at night time when it dropped to 0 degrees it was freezing inside.
We also stayed for 7 days and they only provided a couple of toilet rolls, so when we asked if they had more, they said they expect guests to buy. We responded by saying hosts tend to always provide an adequate number. But they just ignored us.
We didn't say anything about the heating because if they're not willing to help with something they could, how much more with something they couldn't.
There was also ongoing construction on the floor above us, but that's fine ,that couldn't be helped.
Other than these issues, the flat was in an excellent location and in fairly good condition.