We have a pressure one so no screws, and we placed it on the first step instead of at the top that way it becomes a non trip hazard even if it is a little lower because it's on the step
Retractable ones you have to screw to the wall and they are absolutely pointless. My son figured it out in 15 minutes. Pressure fit ones are the best if you don’t want to screw into wall but always have the bar at the bottom or else they wouldn’t work. Essentially what you’ve described is a unicorn gate and does not exist x
Whatever you get I don’t recommend cuggle it’s in the Argos. Two of ours have broken in the last year, we’re down to our last one and having to keep doors shut until we find a more reliable one
Something like this? Not sure it you will be able to get away with not screwing to wall though x https://www.johnlewis.com/momcozy-retractable-baby-gate/grey/p112262209?s_ppc=2dx_mixed_fashion_BAU&tmad=c&tmcampid=2&gclsrc=aw.ds&gad_source=1&gbraid=0AAAAAD2el1x6SViptz3VrEpTxfjiFsz5s