Residential Flats Layout Design for 3-Story Building

I'm in need of an experienced architect or interior designer to create a comprehensive layout design for a residential building. The building consists of a ground floor and 3 additional floors, with 3-4 flats planned per floor.

Key Deliverables:
- Develop a detailed floor plan for each flat that optimizes space utilization
- Implement a consistent, cohesive design across all units
- Ensure the final design meets all safety regulations and building codes

Additional Requirements:
- Utilize your expertise to customize one particular layout to maximize space efficiency
- Provide recommendations for fixtures, finishes, and any necessary adjustments to the original floor plan
- Deliver the design in a format that can be easily interpreted by the construction team

Ideal candidates for this project will possess:
- Proven experience in residential building design and layout
- Proficiency in CAD software or other relevant design tools
- Strong attention to detail and a creative approach to space optimization
- Excellent communication skills and the ability to incorporate client feedback into the design