The house we bought has been empty for a year and do fast we've been unable to open the bedroom door to the garden!
It's a glass door, when we unlock it (can hear it clicking) and push the handle it doesn't budge, at all. The EA had a little trouble on the viewings but did get it.
To lock it, the handle gets pushed up to engage the little sliders, I've played about but no avail. Husband tried it outside, same problem.
Any ideas?