Your window may have a restricting device that limits how far it opens. It's there for your safety so it's important that you don't disconnect or damage it, or let anyone else do so. If the window fittings do become damaged, you need to tell a member of the property team straight away. You can do this at reception, or by raising a maintenance request in the Unite Students App.
We check all the windows and their fittings regularly, to make sure they're all safe and working properly. Depending on the floor you live on, it may be possible to derestrict your window upon request and with approval from the management of your property. Please speak to your reception team about this.