Hi elconno, Not sure if you are in USA but I would suggest two colors by Sherwin-Williams called Upward and Wallstreet. The pic doesn't do the colors justice but the dark one I would put only on the wall your fridge is on - that includes the little strip above the cabinets. This will make the fridge disappear a little and it will be a great wall for a piece of art with a lot of color - it will really pop! The lighter color will go well with any teal accents you want and brighten the space.

Carpet on the stairs will help with sound! But if stairs are good enough, just paint them all white! Add a stencil on the riser - numbers or a saying is always fun...or even add family member names. Do you like bold colors? If so, the handrail wall could be a green apple. Something that works w the pretty stain glass. Also upstairs, there looks to be space to make that a built in bookcase. As for under the stairs, you can take out studs but you can build deep shelves and give it a stair step look. If you have large gym bags, make some large enough to fit sliding them in. Whenever we put in storage like that, we add plugs for iPads and cellphones. Easy way to remember to charge them! Also, a narrow bench on wall opposite storage will help w putting on shoes.

Do you have any pictures you can post? Actual names of the products/colours already chosen? That would help to ensure any advice is appropriate.

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