Open Concept Granny Flat Design

I'm seeking a skilled house planner to design a small open concept granny flat, around 50 square meters.

Requirements:
- One bedroom
- Integrated living area, kitchen, and bathroom
- Open concept layout

Ideal Skills and Experience:
- Expertise in space-efficient design
- Experience with small house plans
- Strong understanding of open concept layouts

Please provide samples of your previous work and a timeline for completion.