I’d start by mapping the flow first—kids need easy access to the kitchen, seniors want a quiet lounge with good lighting, and the dog area needs a safe, low‑maintenance zone. Think of a core rectangle, with the kitchen at one corner, the lounge in the middle, and a small dog room tucked at the back. Materials: use reclaimed wood panels for the kitchen and lounge; it’s warm, durable, and keeps costs down. For the dog area, a rubberized floor that’s easy to clean and a weather‑proof wall finish that won’t harbor bacteria. Add a green roof or vertical garden on the front—adds color, insulates, and gives the whole thing a natural vibe. Plan for plenty of windows on the lounge side for natural light, but blind the dog area to keep it quiet. Keep the circulation simple: a single hallway that connects all three zones. That way, maintenance is straightforward and the space feels cohesive. A small storage nook under the kitchen sink for dog supplies keeps the layout tidy. Overall, keep the lines clean, use consistent color palettes, and you’ll get a place that feels both functional and inviting.

Sounds good—ramps are a must; a gentle slope and a handrail on one side keeps everything safe. For the paint, go for a neutral, low‑VOC finish that’s pet‑friendly and easy to wipe. Keep the supplier list handy, and maybe set up a small spreadsheet for costs vs. items so you can tweak as needed. The mismatched socks idea will definitely add character; just be sure the hallway stays clear for moving around. Good luck, and keep that budget sheet tight—function and style can coexist if we plan right.

Sounds like a solid plan—keep the details tight and the space welcoming. Good luck with the build!