Vent pipe - how and where should it be positioned

[juliaa]

Hi, I would be grateful for any advice regarding regulations on installing vent pipe. My landlord has recently hired a handy man who installed a vent pipe for him but he installed it in a way that is it placed on the outside wall, only 50cm under our window (1st floor window). It feels to me that it is incorrectly installed but since I don't have any knowledge on plumbing I would appreciate any info on how the vent pipe should be installed. Thank you in advance.

 

[Devisham]

Discharge termination guidance attached.

 

[Knappers]

I read this as soil vent?
1m above window?