Do you need planning permission to create a mezzanine floor from loft space in a listed building?

I know we need planning permission to do a loft conversion, but I can't see anywhere it says you need planning permission to create a mezzanine from part of the loft space.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).