For Lilys horse? For the horseman on a budget, this run-in-shed-turned-stall is an excellent option. An attached tack/feed room keeps everything close at hand in an area that needn't be more than about for one horse.
Build a resting bench with enough room for Your goats to walk underneath & lay down in deep warm bedding. Bedded 'den' areas under benches or inside study open sided wooden boxes will help trap body heat for warmth during extreme cold winter temperatures.