Finishes you can actually buy
Render, brick, timber cladding, stone and painted masonry, kept close to what a builder can source rather than an invented material.
Exteriors
Upload a photo of the front of the house. Miravely changes the finish while the roofline, window pattern and plot boundary stay put.

Render, brick, timber cladding, stone and painted masonry, kept close to what a builder can source rather than an invented material.
The most common failure in generic AI exteriors is a roof that quietly changes pitch. The structure layer holds it.
Produce a before and after a neighbour or a planning officer can read without a technical drawing.