Commercial Property Floor Plan

I need a detailed floor plan for a 1,550 sq ft commercial property, specifically outlining office spaces as it currently is. The building is over four floors. The floor plan is required for submission as a planning application for change of use to residential... (Budget: £20 - £250 GBP, Jobs: 3D Design, 3D Rendering, Architectural Rendering, AutoCAD, Building Architecture, Building Design, CAD / SolidWorks, CAD/CAM, Drafting, Home Design)