An Orangery will have solid pillars and walls built into the sides of the room. This makes a n orangery look far re substantial than a regular glass conservatory (https://www.orangerycost.co.uk/news-articles/)
Orangery Design Same as Conservatory?

An Orangery will have solid pillars and walls built into the sides of the room. This makes a n orangery look far re substantial than a regular glass conservatory (https://www.orangerycost.co.uk/news-articles/)