In uk the answer would mostly be yes because raised platforms are not permitted developments.
Roof balcony planning permission.
Architexeter 12 dec 2013 2.
People who would like a balcony also wonder if it will need planning permission.
The property is listed or within a conservation zone you will almost certainly require planning permission.
The juliet balcony has a floor no matter how slim it will be considered a raised platform and will need planning approval.
As such they shouldn t need planning permission but there are a few exceptions.
The doors at the rear should have a juliet guarding to prevent use of the roof unless planning permission is given for use of the roof as a balcony which should then have 1 1m high guarding.
However if you are completing any further renovations to create a physical balcony or terrace you must contact your local authority to gain planning permission.
I have a roof deck with no planning permission what hens if we stylish balcony ideas and how to retrofit a roof terrace what are the rules on house extensions convert to a terrace or balcony proactive roofing solutions ltd can i have a roof terrace and loft conversion abbey lofts.