On 27/10/2020 14:29, Paul wrote:
Not too many people would necessarily
buy into the double-glazed-windows-that-don't-open.

Â*Â* Paul

That would not be allowed in the UK, because upstairs
windows have to be openable and allow 'means of escape'.

This specifies a minimum aperture size, including minimum
width and height so the people can get out and a burly
fireperson wearing breathing aperatus can climb in.