The whole window will have a one foot wide window sill. I will have to show you the place to get a good idea of things. Basil planted in teacups for the kitchen, cheap and pretty teacups planted with fresh herbs on the window sill.
A beautiful example of how to do a galley style Shaker kitchen. A run of cabinets in 'Mushroom' ends with French doors allowing light to stream through, with Carrara Marble worktops lit by salvaged industrial lights making for an eclectic Shaker style.