Like yourself, I am of petite stature, and finding clothes to fit is difficult. Lengths of jackets and sleeves always have to be shortened.
Bon Marche have a good range of trousers, starting at leg length 25", but their tops and jackets are often too long for me.
Shoes are also a problem, as I take size 2. I find Skechers and Flyflots are fine for comfort, but it's difficult to find smarter shoes in small sizes.
I am currently looking for a warm, rainproof Winter jacket, with decent size pockets, that isn't too long (suitable for dog walking). The length of every jacket I've liked would almost reach my knees.
I had wondered about ordering something made to measure.
Good luck with your search.