Andy Burns wrote:
Brian Drury wrote:

The recent relaxation of loft conversion permitted development
stipulates the requirement for side-facing windows to be
obscure-glazed. Can I fit one-way glass so that
nobody can see in?

More than likely specified so you can't peer out, rather than worrying
about others peering at you!

Just put a CCTV outside instead. Everyone else does. ;-)

Doesn't "one way" glass only work when the side to be observed is bright
and the side you are observing from is dark?

yes.