The room you already have, usable in summer
A folding-arm awning turns a baking north- or west-facing patio back into a space people actually use — then retracts in winter to let the sun through, which a fixed roof simply can't do. Because it runs on spring-tensioned folding arms rather than posts, there's nothing interrupting the view and nothing in the way of a braai.
It's a shade product, not a rain product: fine at a pitch in light drizzle, never in storm rain or standing water. Projection runs to roughly 3–4m over wide spans, and solution-dyed acrylic fabrics are chosen specifically to hold their colour under South African UV.