This approved document deals with the following requirement from Part K of Schedule 1 to the Building Regulations 2010.
Safe opening and closing of windows etc.
K5.3—Windows, skylights and ventilators which can be opened by people in or about the building shall be so constructed or equipped that they may be opened, closed or adjusted safely.
Limits on application
Requirement K5.3 does not apply to dwellings.
In the Secretary of State’s view, you can meet requirement K5.3 by ensuring that people can safely operate windows, skylights and ventilators that open.