I posted a few years ago about concerns DH & I had with regards to fire safety and blocked exits at PIL's house. They use the back door for entering and exiting the house, which means having to go through the garage into the kitchen. The front door is double glazed and always locked, with the keys kept in the kitchen. All the windows are double glazed and locked.
We turned up unexpectedly a few years ago and noticed that the smoke alarm didn't have a battery and spoke to them about how 90% of fires start in the kitchen and that they didn't have an escape route if they couldn't get out through the kitchen. We asked them to keep a set of front door keys in the drawer next to the front door, which they did. We also arranged for the Fire service to go to round and help them assess their escape route etc. I don't know if this ever happened as we've never spoken about it again as they were annoyed with us for having brought it up.
Whenever we stay we check that the keys are in the drawer. Once they weren't because they'd been lent to a neighbour and this time the keys aren't there again and they didn't give a reason for them not being there. Also they've turned part of the garage into a utility room so now you can't even get out through the garage door if the back door is locked and you can't find the keys.
So to summarise, both exit doors are double glazed and the keys kept in the kitchen. The front door is at the bottom of the stairs, the back door is through the kitchen. All the windows are double glazed and locked, with keys in a pot on one window sill. And I am livid because they know this is not safe and they are happy for their DS and two DGC to stay in the house without being able to get out if there's a fire. AIBU?