If you want to make the balcony a bay window, I don t know if it s okay

Seal up the balcony and make a curtain, and the balcony can be used as a study or a casual space.

Absolutely. No problem. The size also provides a photo and I will do it for you.

It's better not to change. Cantilevered balconies are difficult. The main reason is that the steel bar is not easy to handle.

It is estimated that there is no such level as the private one who planted the reinforcement and is not easy to control. Welded on the original rebar, private dry welding is even worse. And it is often done on stirrups.

It is verbose to implement it in other ways, such as landing columns against the wall, steel structures or something.

If you must do it, do the reinforcement planting, reinforced concrete cantilever beam.

Yes, the crux of the matter is that you need to make several triangular brackets with large angle iron (GB 50 or above) under the bay window structure to bear the load, and the angle iron bracket is best fixed with 12 or 14 extended expansion screws to improve the safety factor. I've done a lot of these modifications for my clients. Hehe.

Yes, but what year is the house, for safety reasons, it is recommended that the window frame be made of channel steel.

No, the exterior wall and exterior decoration of the house cannot be changed casually, and you have already involved the exterior wall surface when you make a bay window, so it can't be done.

It is completely possible to have high labor costs and materials you can choose for flooring and sauna board treatment.

It should work.,Or LZ send a picture to see.!