Verandas, balconies and raised platforms are not permitted development and will require planning permission.
Do I need building regulations for a balcony?
In almost all cases, the work to create a balcony will be controlled work under the Building Regulations and you'll need Building Regs approval. The work is likely to be classed as a material alteration of the building as it may affect: The structural stability of the existing building – such as supporting walls etc.
Can you build a balcony on your house?
Balconies do not come under permitted development, so you will need to apply for planning permission whether you intend to have a balcony of any kind added to your house or a flat. ... The main reason that permission for a balcony will be refused is to do with it overlooking the home of neighbours, who may object.