For so long I’ve been wanting to build a sun room in the Sims 4 using the glass roof awning from Get Together. It can be found in Decorations > Sculpture:
And over the last couple of days I’ve finally got round to it. It’s not perfect, the roof edges are a little lower than the lowest wall height, but with some trims and fencing it’s fairly easy to cover up the dodgy looking bits. And it’s fully functional too!
Click on the image to see a bigger version: